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Finding the Fourth Proportional to 506,892.52, 760,218.78 and 169,945.48

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Solution

The fourth proportional to 506,892.52, 760,218.78 and 169,945.48 is: 254,877.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,892.52 : 760,218.78 = 169,945.48 : x
  2. Step 2: Convert to fraction form
    506,892.52/760,218.78 = 169,945.48/x
  3. Step 3: Cross multiply
    506,892.52x = 760,218.78 × 169,945.48
  4. Step 4: Simplify right side
    506,892.52x = 129,195,745,472.11
  5. Step 5: Solve for x
    x = 129,195,745,472.11/506,892.52
  6. Step 6: Final answer
    x = 254,877.99

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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.