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Finding the Fourth Proportional to 618,409.16, 927,600.52 and 169,130.03

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Solution

The fourth proportional to 618,409.16, 927,600.52 and 169,130.03 is: 253,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,409.16 : 927,600.52 = 169,130.03 : x
  2. Step 2: Convert to fraction form
    618,409.16/927,600.52 = 169,130.03/x
  3. Step 3: Cross multiply
    618,409.16x = 927,600.52 × 169,130.03
  4. Step 4: Simplify right side
    618,409.16x = 156,885,098,714.79
  5. Step 5: Solve for x
    x = 156,885,098,714.79/618,409.16
  6. Step 6: Final answer
    x = 253,691.42

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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.