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Finding the Fourth Proportional to 1,508.76, 2,262.86 and 468.61

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Solution

The fourth proportional to 1,508.76, 2,262.86 and 468.61 is: 702.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.76 : 2,262.86 = 468.61 : x
  2. Step 2: Convert to fraction form
    1,508.76/2,262.86 = 468.61/x
  3. Step 3: Cross multiply
    1,508.76x = 2,262.86 × 468.61
  4. Step 4: Simplify right side
    1,508.76x = 1,060,398.82
  5. Step 5: Solve for x
    x = 1,060,398.82/1,508.76
  6. Step 6: Final answer
    x = 702.83

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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.