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Finding the Fourth Proportional to 956.53, 1,432.70 and 590.21

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Solution

The fourth proportional to 956.53, 1,432.70 and 590.21 is: 884.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.53 : 1,432.70 = 590.21 : x
  2. Step 2: Convert to fraction form
    956.53/1,432.70 = 590.21/x
  3. Step 3: Cross multiply
    956.53x = 1,432.70 × 590.21
  4. Step 4: Simplify right side
    956.53x = 845,593.87
  5. Step 5: Solve for x
    x = 845,593.87/956.53
  6. Step 6: Final answer
    x = 884.02

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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.