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Finding the Fourth Proportional to 507,099.43, 761,034.74 and 187,553.62

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Solution

The fourth proportional to 507,099.43, 761,034.74 and 187,553.62 is: 281,473.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,099.43 : 761,034.74 = 187,553.62 : x
  2. Step 2: Convert to fraction form
    507,099.43/761,034.74 = 187,553.62/x
  3. Step 3: Cross multiply
    507,099.43x = 761,034.74 × 187,553.62
  4. Step 4: Simplify right side
    507,099.43x = 142,734,817,964.78
  5. Step 5: Solve for x
    x = 142,734,817,964.78/507,099.43
  6. Step 6: Final answer
    x = 281,473.04

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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.