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Finding the Fourth Proportional to 757.02, 1,044.87 and 462.24

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Solution

The fourth proportional to 757.02, 1,044.87 and 462.24 is: 638.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    757.02 : 1,044.87 = 462.24 : x
  2. Step 2: Convert to fraction form
    757.02/1,044.87 = 462.24/x
  3. Step 3: Cross multiply
    757.02x = 1,044.87 × 462.24
  4. Step 4: Simplify right side
    757.02x = 482,980.71
  5. Step 5: Solve for x
    x = 482,980.71/757.02
  6. Step 6: Final answer
    x = 638.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.