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Finding the Fourth Proportional to 602,023.70, 903,035.55 and 572,499.20

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Solution

The fourth proportional to 602,023.70, 903,035.55 and 572,499.20 is: 858,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,023.70 : 903,035.55 = 572,499.20 : x
  2. Step 2: Convert to fraction form
    602,023.70/903,035.55 = 572,499.20/x
  3. Step 3: Cross multiply
    602,023.70x = 903,035.55 × 572,499.20
  4. Step 4: Simplify right side
    602,023.70x = 516,987,129,946.56
  5. Step 5: Solve for x
    x = 516,987,129,946.56/602,023.70
  6. Step 6: Final answer
    x = 858,748.80

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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.