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Finding the Fourth Proportional to 479,337.72, 719,265.72 and 180,023.28

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Solution

The fourth proportional to 479,337.72, 719,265.72 and 180,023.28 is: 270,132.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,337.72 : 719,265.72 = 180,023.28 : x
  2. Step 2: Convert to fraction form
    479,337.72/719,265.72 = 180,023.28/x
  3. Step 3: Cross multiply
    479,337.72x = 719,265.72 × 180,023.28
  4. Step 4: Simplify right side
    479,337.72x = 129,484,574,105.96
  5. Step 5: Solve for x
    x = 129,484,574,105.96/479,337.72
  6. Step 6: Final answer
    x = 270,132.24

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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.