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Finding the Fourth Proportional to 561,957, 842,760.54 and 187,892.52

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Solution

The fourth proportional to 561,957, 842,760.54 and 187,892.52 is: 281,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,957 : 842,760.54 = 187,892.52 : x
  2. Step 2: Convert to fraction form
    561,957/842,760.54 = 187,892.52/x
  3. Step 3: Cross multiply
    561,957x = 842,760.54 × 187,892.52
  4. Step 4: Simplify right side
    561,957x = 158,348,401,617.16
  5. Step 5: Solve for x
    x = 158,348,401,617.16/561,957
  6. Step 6: Final answer
    x = 281,780.28

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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.