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Finding the Fourth Proportional to 602,805.20, 904,179.96 and 247,731.92

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Solution

The fourth proportional to 602,805.20, 904,179.96 and 247,731.92 is: 371,586.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,805.20 : 904,179.96 = 247,731.92 : x
  2. Step 2: Convert to fraction form
    602,805.20/904,179.96 = 247,731.92/x
  3. Step 3: Cross multiply
    602,805.20x = 904,179.96 × 247,731.92
  4. Step 4: Simplify right side
    602,805.20x = 223,994,237,516.32
  5. Step 5: Solve for x
    x = 223,994,237,516.32/602,805.20
  6. Step 6: Final answer
    x = 371,586.44

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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.