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Finding the Fourth Proportional to 702.01, 1,053.74 and 460.27

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Solution

The fourth proportional to 702.01, 1,053.74 and 460.27 is: 690.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.01 : 1,053.74 = 460.27 : x
  2. Step 2: Convert to fraction form
    702.01/1,053.74 = 460.27/x
  3. Step 3: Cross multiply
    702.01x = 1,053.74 × 460.27
  4. Step 4: Simplify right side
    702.01x = 485,002.61
  5. Step 5: Solve for x
    x = 485,002.61/702.01
  6. Step 6: Final answer
    x = 690.88

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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.