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Finding the Fourth Proportional to 946.41, 1,306.05 and 532.41

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Solution

The fourth proportional to 946.41, 1,306.05 and 532.41 is: 734.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    946.41 : 1,306.05 = 532.41 : x
  2. Step 2: Convert to fraction form
    946.41/1,306.05 = 532.41/x
  3. Step 3: Cross multiply
    946.41x = 1,306.05 × 532.41
  4. Step 4: Simplify right side
    946.41x = 695,347.19
  5. Step 5: Solve for x
    x = 695,347.19/946.41
  6. Step 6: Final answer
    x = 734.72

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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.