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Finding the Fourth Proportional to 618,551.69, 927,793.82 and 169,240.15

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Solution

The fourth proportional to 618,551.69, 927,793.82 and 169,240.15 is: 253,851.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,551.69 : 927,793.82 = 169,240.15 : x
  2. Step 2: Convert to fraction form
    618,551.69/927,793.82 = 169,240.15/x
  3. Step 3: Cross multiply
    618,551.69x = 927,793.82 × 169,240.15
  4. Step 4: Simplify right side
    618,551.69x = 157,019,963,369.49
  5. Step 5: Solve for x
    x = 157,019,963,369.49/618,551.69
  6. Step 6: Final answer
    x = 253,851.00

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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.