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Finding the Fourth Proportional to 937.55, 1,402.29 and 546.57

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Solution

The fourth proportional to 937.55, 1,402.29 and 546.57 is: 817.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.55 : 1,402.29 = 546.57 : x
  2. Step 2: Convert to fraction form
    937.55/1,402.29 = 546.57/x
  3. Step 3: Cross multiply
    937.55x = 1,402.29 × 546.57
  4. Step 4: Simplify right side
    937.55x = 766,439.90
  5. Step 5: Solve for x
    x = 766,439.90/937.55
  6. Step 6: Final answer
    x = 817.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.