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Finding the Fourth Proportional to 962.99, 1,444.47 and 500.53

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Solution

The fourth proportional to 962.99, 1,444.47 and 500.53 is: 750.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.99 : 1,444.47 = 500.53 : x
  2. Step 2: Convert to fraction form
    962.99/1,444.47 = 500.53/x
  3. Step 3: Cross multiply
    962.99x = 1,444.47 × 500.53
  4. Step 4: Simplify right side
    962.99x = 722,993.35
  5. Step 5: Solve for x
    x = 722,993.35/962.99
  6. Step 6: Final answer
    x = 750.78

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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.