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Finding the Fourth Proportional to 587,729.20, 881,593.80 and 377,777.20

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Solution

The fourth proportional to 587,729.20, 881,593.80 and 377,777.20 is: 566,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,729.20 : 881,593.80 = 377,777.20 : x
  2. Step 2: Convert to fraction form
    587,729.20/881,593.80 = 377,777.20/x
  3. Step 3: Cross multiply
    587,729.20x = 881,593.80 × 377,777.20
  4. Step 4: Simplify right side
    587,729.20x = 333,046,037,301.36
  5. Step 5: Solve for x
    x = 333,046,037,301.36/587,729.20
  6. Step 6: Final answer
    x = 566,665.80

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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.