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Finding the Fourth Proportional to 618,607.58, 927,911.88 and 169,332.17

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Solution

The fourth proportional to 618,607.58, 927,911.88 and 169,332.17 is: 253,998.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,607.58 : 927,911.88 = 169,332.17 : x
  2. Step 2: Convert to fraction form
    618,607.58/927,911.88 = 169,332.17/x
  3. Step 3: Cross multiply
    618,607.58x = 927,911.88 × 169,332.17
  4. Step 4: Simplify right side
    618,607.58x = 157,125,327,569.62
  5. Step 5: Solve for x
    x = 157,125,327,569.62/618,607.58
  6. Step 6: Final answer
    x = 253,998.39

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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.