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Finding the Fourth Proportional to 724.55, 1,084.93 and 562.37

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Solution

The fourth proportional to 724.55, 1,084.93 and 562.37 is: 842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    724.55 : 1,084.93 = 562.37 : x
  2. Step 2: Convert to fraction form
    724.55/1,084.93 = 562.37/x
  3. Step 3: Cross multiply
    724.55x = 1,084.93 × 562.37
  4. Step 4: Simplify right side
    724.55x = 610,132.08
  5. Step 5: Solve for x
    x = 610,132.08/724.55
  6. Step 6: Final answer
    x = 842.08

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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.