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Finding the Fourth Proportional to 550,711.20, 826,066.80 and 550,711.20

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Solution

The fourth proportional to 550,711.20, 826,066.80 and 550,711.20 is: 826,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,711.20 : 826,066.80 = 550,711.20 : x
  2. Step 2: Convert to fraction form
    550,711.20/826,066.80 = 550,711.20/x
  3. Step 3: Cross multiply
    550,711.20x = 826,066.80 × 550,711.20
  4. Step 4: Simplify right side
    550,711.20x = 454,924,238,708.16
  5. Step 5: Solve for x
    x = 454,924,238,708.16/550,711.20
  6. Step 6: Final answer
    x = 826,066.80

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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.