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Finding the Fourth Proportional to 424,722.52, 586,105.30 and 240,994.54

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Solution

The fourth proportional to 424,722.52, 586,105.30 and 240,994.54 is: 332,565.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,722.52 : 586,105.30 = 240,994.54 : x
  2. Step 2: Convert to fraction form
    424,722.52/586,105.30 = 240,994.54/x
  3. Step 3: Cross multiply
    424,722.52x = 586,105.30 × 240,994.54
  4. Step 4: Simplify right side
    424,722.52x = 141,248,177,165.06
  5. Step 5: Solve for x
    x = 141,248,177,165.06/424,722.52
  6. Step 6: Final answer
    x = 332,565.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.