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Finding the Fourth Proportional to 1,060.13, 1,463.03 and 618.00

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Solution

The fourth proportional to 1,060.13, 1,463.03 and 618.00 is: 852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.13 : 1,463.03 = 618.00 : x
  2. Step 2: Convert to fraction form
    1,060.13/1,463.03 = 618.00/x
  3. Step 3: Cross multiply
    1,060.13x = 1,463.03 × 618.00
  4. Step 4: Simplify right side
    1,060.13x = 904,160.73
  5. Step 5: Solve for x
    x = 904,160.73/1,060.13
  6. Step 6: Final answer
    x = 852.88

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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.