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Finding the Fourth Proportional to 587,737.20, 880,828.20 and 520,863.60

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Solution

The fourth proportional to 587,737.20, 880,828.20 and 520,863.60 is: 780,606.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,737.20 : 880,828.20 = 520,863.60 : x
  2. Step 2: Convert to fraction form
    587,737.20/880,828.20 = 520,863.60/x
  3. Step 3: Cross multiply
    587,737.20x = 880,828.20 × 520,863.60
  4. Step 4: Simplify right side
    587,737.20x = 458,791,347,233.52
  5. Step 5: Solve for x
    x = 458,791,347,233.52/587,737.20
  6. Step 6: Final answer
    x = 780,606.28

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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.