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Finding the Fourth Proportional to 587,210.70, 823,200.90 and 587,210.70

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Solution

The fourth proportional to 587,210.70, 823,200.90 and 587,210.70 is: 823,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,210.70 : 823,200.90 = 587,210.70 : x
  2. Step 2: Convert to fraction form
    587,210.70/823,200.90 = 587,210.70/x
  3. Step 3: Cross multiply
    587,210.70x = 823,200.90 × 587,210.70
  4. Step 4: Simplify right side
    587,210.70x = 483,392,376,729.63
  5. Step 5: Solve for x
    x = 483,392,376,729.63/587,210.70
  6. Step 6: Final answer
    x = 823,200.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.