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Finding the Fourth Proportional to 588,133.60, 881,617.20 and 272,039.20

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Solution

The fourth proportional to 588,133.60, 881,617.20 and 272,039.20 is: 407,789.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,133.60 : 881,617.20 = 272,039.20 : x
  2. Step 2: Convert to fraction form
    588,133.60/881,617.20 = 272,039.20/x
  3. Step 3: Cross multiply
    588,133.60x = 881,617.20 × 272,039.20
  4. Step 4: Simplify right side
    588,133.60x = 239,834,437,794.24
  5. Step 5: Solve for x
    x = 239,834,437,794.24/588,133.60
  6. Step 6: Final answer
    x = 407,789.04

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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.