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Finding the Fourth Proportional to 532.41, 733.26 and 458.70

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Solution

The fourth proportional to 532.41, 733.26 and 458.70 is: 631.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.41 : 733.26 = 458.70 : x
  2. Step 2: Convert to fraction form
    532.41/733.26 = 458.70/x
  3. Step 3: Cross multiply
    532.41x = 733.26 × 458.70
  4. Step 4: Simplify right side
    532.41x = 336,344.07
  5. Step 5: Solve for x
    x = 336,344.07/532.41
  6. Step 6: Final answer
    x = 631.74

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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.