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Finding the Fourth Proportional to 704.73, 972.59 and 424.97

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Solution

The fourth proportional to 704.73, 972.59 and 424.97 is: 586.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.73 : 972.59 = 424.97 : x
  2. Step 2: Convert to fraction form
    704.73/972.59 = 424.97/x
  3. Step 3: Cross multiply
    704.73x = 972.59 × 424.97
  4. Step 4: Simplify right side
    704.73x = 413,321.57
  5. Step 5: Solve for x
    x = 413,321.57/704.73
  6. Step 6: Final answer
    x = 586.50

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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.