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Finding the Fourth Proportional to 1,132.97, 1,700.07 and 475.30

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Solution

The fourth proportional to 1,132.97, 1,700.07 and 475.30 is: 713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132.97 : 1,700.07 = 475.30 : x
  2. Step 2: Convert to fraction form
    1,132.97/1,700.07 = 475.30/x
  3. Step 3: Cross multiply
    1,132.97x = 1,700.07 × 475.30
  4. Step 4: Simplify right side
    1,132.97x = 808,032.39
  5. Step 5: Solve for x
    x = 808,032.39/1,132.97
  6. Step 6: Final answer
    x = 713.20

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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.