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Finding the Fourth Proportional to 1,454.16, 2,180.70 and 588

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Solution

The fourth proportional to 1,454.16, 2,180.70 and 588 is: 881.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.16 : 2,180.70 = 588 : x
  2. Step 2: Convert to fraction form
    1,454.16/2,180.70 = 588/x
  3. Step 3: Cross multiply
    1,454.16x = 2,180.70 × 588
  4. Step 4: Simplify right side
    1,454.16x = 1,282,251.60
  5. Step 5: Solve for x
    x = 1,282,251.60/1,454.16
  6. Step 6: Final answer
    x = 881.78

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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.