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Finding the Fourth Proportional to 962.11, 1,442.22 and 499.93

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Solution

The fourth proportional to 962.11, 1,442.22 and 499.93 is: 749.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.11 : 1,442.22 = 499.93 : x
  2. Step 2: Convert to fraction form
    962.11/1,442.22 = 499.93/x
  3. Step 3: Cross multiply
    962.11x = 1,442.22 × 499.93
  4. Step 4: Simplify right side
    962.11x = 721,017.57
  5. Step 5: Solve for x
    x = 721,017.57/962.11
  6. Step 6: Final answer
    x = 749.41

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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.