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Finding the Fourth Proportional to 618,085.38, 927,444.51 and 294,239.97

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Solution

The fourth proportional to 618,085.38, 927,444.51 and 294,239.97 is: 441,510.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,085.38 : 927,444.51 = 294,239.97 : x
  2. Step 2: Convert to fraction form
    618,085.38/927,444.51 = 294,239.97/x
  3. Step 3: Cross multiply
    618,085.38x = 927,444.51 × 294,239.97
  4. Step 4: Simplify right side
    618,085.38x = 272,891,241,363.08
  5. Step 5: Solve for x
    x = 272,891,241,363.08/618,085.38
  6. Step 6: Final answer
    x = 441,510.59

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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.