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Finding the Fourth Proportional to 323,487.78, 446,414.93 and 187,602.31

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Solution

The fourth proportional to 323,487.78, 446,414.93 and 187,602.31 is: 258,892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,487.78 : 446,414.93 = 187,602.31 : x
  2. Step 2: Convert to fraction form
    323,487.78/446,414.93 = 187,602.31/x
  3. Step 3: Cross multiply
    323,487.78x = 446,414.93 × 187,602.31
  4. Step 4: Simplify right side
    323,487.78x = 83,748,472,410.00
  5. Step 5: Solve for x
    x = 83,748,472,410.00/323,487.78
  6. Step 6: Final answer
    x = 258,892.23

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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.