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Finding the Fourth Proportional to 374,313.52, 516,605.34 and 238,304.02

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Solution

The fourth proportional to 374,313.52, 516,605.34 and 238,304.02 is: 328,893.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,313.52 : 516,605.34 = 238,304.02 : x
  2. Step 2: Convert to fraction form
    374,313.52/516,605.34 = 238,304.02/x
  3. Step 3: Cross multiply
    374,313.52x = 516,605.34 × 238,304.02
  4. Step 4: Simplify right side
    374,313.52x = 123,109,129,275.47
  5. Step 5: Solve for x
    x = 123,109,129,275.47/374,313.52
  6. Step 6: Final answer
    x = 328,893.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.