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Finding the Fourth Proportional to 508,402.41, 761,674.14 and 238,034.54

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Solution

The fourth proportional to 508,402.41, 761,674.14 and 238,034.54 is: 356,616.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,402.41 : 761,674.14 = 238,034.54 : x
  2. Step 2: Convert to fraction form
    508,402.41/761,674.14 = 238,034.54/x
  3. Step 3: Cross multiply
    508,402.41x = 761,674.14 × 238,034.54
  4. Step 4: Simplify right side
    508,402.41x = 181,304,749,736.43
  5. Step 5: Solve for x
    x = 181,304,749,736.43/508,402.41
  6. Step 6: Final answer
    x = 356,616.62

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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.