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Finding the Fourth Proportional to 1,132.17, 1,697.73 and 351.93

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Solution

The fourth proportional to 1,132.17, 1,697.73 and 351.93 is: 527.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132.17 : 1,697.73 = 351.93 : x
  2. Step 2: Convert to fraction form
    1,132.17/1,697.73 = 351.93/x
  3. Step 3: Cross multiply
    1,132.17x = 1,697.73 × 351.93
  4. Step 4: Simplify right side
    1,132.17x = 597,489.15
  5. Step 5: Solve for x
    x = 597,489.15/1,132.17
  6. Step 6: Final answer
    x = 527.74

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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.