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Finding the Fourth Proportional to 1,342.52, 2,014.50 and 562.40

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Solution

The fourth proportional to 1,342.52, 2,014.50 and 562.40 is: 843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.52 : 2,014.50 = 562.40 : x
  2. Step 2: Convert to fraction form
    1,342.52/2,014.50 = 562.40/x
  3. Step 3: Cross multiply
    1,342.52x = 2,014.50 × 562.40
  4. Step 4: Simplify right side
    1,342.52x = 1,132,954.80
  5. Step 5: Solve for x
    x = 1,132,954.80/1,342.52
  6. Step 6: Final answer
    x = 843.90

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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.