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Finding the Fourth Proportional to 424,721.52, 586,103.92 and 240,993.54

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Solution

The fourth proportional to 424,721.52, 586,103.92 and 240,993.54 is: 332,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,721.52 : 586,103.92 = 240,993.54 : x
  2. Step 2: Convert to fraction form
    424,721.52/586,103.92 = 240,993.54/x
  3. Step 3: Cross multiply
    424,721.52x = 586,103.92 × 240,993.54
  4. Step 4: Simplify right side
    424,721.52x = 141,247,257,886.19
  5. Step 5: Solve for x
    x = 141,247,257,886.19/424,721.52
  6. Step 6: Final answer
    x = 332,564.40

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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.