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Finding the Fourth Proportional to 442,665.88, 662,624.32 and 239,758.02

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Solution

The fourth proportional to 442,665.88, 662,624.32 and 239,758.02 is: 358,892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,665.88 : 662,624.32 = 239,758.02 : x
  2. Step 2: Convert to fraction form
    442,665.88/662,624.32 = 239,758.02/x
  3. Step 3: Cross multiply
    442,665.88x = 662,624.32 × 239,758.02
  4. Step 4: Simplify right side
    442,665.88x = 158,869,495,025.61
  5. Step 5: Solve for x
    x = 158,869,495,025.61/442,665.88
  6. Step 6: Final answer
    x = 358,892.57

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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.