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Finding the Fourth Proportional to 1,134.71, 1,700.82 and 441.17

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Solution

The fourth proportional to 1,134.71, 1,700.82 and 441.17 is: 661.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.71 : 1,700.82 = 441.17 : x
  2. Step 2: Convert to fraction form
    1,134.71/1,700.82 = 441.17/x
  3. Step 3: Cross multiply
    1,134.71x = 1,700.82 × 441.17
  4. Step 4: Simplify right side
    1,134.71x = 750,340.05
  5. Step 5: Solve for x
    x = 750,340.05/1,134.71
  6. Step 6: Final answer
    x = 661.26

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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.