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Finding the Fourth Proportional to 532.67, 734.55 and 458.96

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Solution

The fourth proportional to 532.67, 734.55 and 458.96 is: 632.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.67 : 734.55 = 458.96 : x
  2. Step 2: Convert to fraction form
    532.67/734.55 = 458.96/x
  3. Step 3: Cross multiply
    532.67x = 734.55 × 458.96
  4. Step 4: Simplify right side
    532.67x = 337,129.07
  5. Step 5: Solve for x
    x = 337,129.07/532.67
  6. Step 6: Final answer
    x = 632.90

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1.5x scale

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.