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Finding the Fourth Proportional to 550,971,808.80, 826,457,713.20 and 550,971,808.80

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Solution

The fourth proportional to 550,971,808.80, 826,457,713.20 and 550,971,808.80 is: 826,457,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,971,808.80 : 826,457,713.20 = 550,971,808.80 : x
  2. Step 2: Convert to fraction form
    550,971,808.80/826,457,713.20 = 550,971,808.80/x
  3. Step 3: Cross multiply
    550,971,808.80x = 826,457,713.20 × 550,971,808.80
  4. Step 4: Simplify right side
    550,971,808.80x = 455,354,901,138,515,648
  5. Step 5: Solve for x
    x = 455,354,901,138,515,648/550,971,808.80
  6. Step 6: Final answer
    x = 826,457,713.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.