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Finding the Fourth Proportional to 962.69, 1,444.37 and 500.15

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Solution

The fourth proportional to 962.69, 1,444.37 and 500.15 is: 750.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.69 : 1,444.37 = 500.15 : x
  2. Step 2: Convert to fraction form
    962.69/1,444.37 = 500.15/x
  3. Step 3: Cross multiply
    962.69x = 1,444.37 × 500.15
  4. Step 4: Simplify right side
    962.69x = 722,391.93
  5. Step 5: Solve for x
    x = 722,391.93/962.69
  6. Step 6: Final answer
    x = 750.39

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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.