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Finding the Fourth Proportional to 507,717.28, 761,489.88 and 237,873.52

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Solution

The fourth proportional to 507,717.28, 761,489.88 and 237,873.52 is: 356,769.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,717.28 : 761,489.88 = 237,873.52 : x
  2. Step 2: Convert to fraction form
    507,717.28/761,489.88 = 237,873.52/x
  3. Step 3: Cross multiply
    507,717.28x = 761,489.88 × 237,873.52
  4. Step 4: Simplify right side
    507,717.28x = 181,138,278,199.98
  5. Step 5: Solve for x
    x = 181,138,278,199.98/507,717.28
  6. Step 6: Final answer
    x = 356,769.97

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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.