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Finding the Fourth Proportional to 1,010.88, 1,517.00 and 463.05

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Solution

The fourth proportional to 1,010.88, 1,517.00 and 463.05 is: 694.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010.88 : 1,517.00 = 463.05 : x
  2. Step 2: Convert to fraction form
    1,010.88/1,517.00 = 463.05/x
  3. Step 3: Cross multiply
    1,010.88x = 1,517.00 × 463.05
  4. Step 4: Simplify right side
    1,010.88x = 702,444.53
  5. Step 5: Solve for x
    x = 702,444.53/1,010.88
  6. Step 6: Final answer
    x = 694.88

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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.