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Finding the Fourth Proportional to 847.04, 1,168.76 and 532.49

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Solution

The fourth proportional to 847.04, 1,168.76 and 532.49 is: 734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    847.04 : 1,168.76 = 532.49 : x
  2. Step 2: Convert to fraction form
    847.04/1,168.76 = 532.49/x
  3. Step 3: Cross multiply
    847.04x = 1,168.76 × 532.49
  4. Step 4: Simplify right side
    847.04x = 622,348.50
  5. Step 5: Solve for x
    x = 622,348.50/847.04
  6. Step 6: Final answer
    x = 734.74

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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.