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Finding the Fourth Proportional to 363,695.31, 502,129.31 and 268,035.39

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Solution

The fourth proportional to 363,695.31, 502,129.31 and 268,035.39 is: 370,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,695.31 : 502,129.31 = 268,035.39 : x
  2. Step 2: Convert to fraction form
    363,695.31/502,129.31 = 268,035.39/x
  3. Step 3: Cross multiply
    363,695.31x = 502,129.31 × 268,035.39
  4. Step 4: Simplify right side
    363,695.31x = 134,588,425,436.28
  5. Step 5: Solve for x
    x = 134,588,425,436.28/363,695.31
  6. Step 6: Final answer
    x = 370,058.18

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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.