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Finding the Fourth Proportional to 732.18, 1,097.22 and 501.60

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Solution

The fourth proportional to 732.18, 1,097.22 and 501.60 is: 751.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.18 : 1,097.22 = 501.60 : x
  2. Step 2: Convert to fraction form
    732.18/1,097.22 = 501.60/x
  3. Step 3: Cross multiply
    732.18x = 1,097.22 × 501.60
  4. Step 4: Simplify right side
    732.18x = 550,365.55
  5. Step 5: Solve for x
    x = 550,365.55/732.18
  6. Step 6: Final answer
    x = 751.68

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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.