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Finding the Fourth Proportional to 1,060.51, 1,463.25 and 618.16

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Solution

The fourth proportional to 1,060.51, 1,463.25 and 618.16 is: 852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.51 : 1,463.25 = 618.16 : x
  2. Step 2: Convert to fraction form
    1,060.51/1,463.25 = 618.16/x
  3. Step 3: Cross multiply
    1,060.51x = 1,463.25 × 618.16
  4. Step 4: Simplify right side
    1,060.51x = 904,522.62
  5. Step 5: Solve for x
    x = 904,522.62/1,060.51
  6. Step 6: Final answer
    x = 852.91

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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.