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Finding the Fourth Proportional to 308,538.52, 425,777.52 and 174,402.52

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Solution

The fourth proportional to 308,538.52, 425,777.52 and 174,402.52 is: 240,672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,538.52 : 425,777.52 = 174,402.52 : x
  2. Step 2: Convert to fraction form
    308,538.52/425,777.52 = 174,402.52/x
  3. Step 3: Cross multiply
    308,538.52x = 425,777.52 × 174,402.52
  4. Step 4: Simplify right side
    308,538.52x = 74,256,672,447.35
  5. Step 5: Solve for x
    x = 74,256,672,447.35/308,538.52
  6. Step 6: Final answer
    x = 240,672.29

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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.