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Finding the Fourth Proportional to 1,060.79, 1,463.85 and 588.65

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Solution

The fourth proportional to 1,060.79, 1,463.85 and 588.65 is: 812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.79 : 1,463.85 = 588.65 : x
  2. Step 2: Convert to fraction form
    1,060.79/1,463.85 = 588.65/x
  3. Step 3: Cross multiply
    1,060.79x = 1,463.85 × 588.65
  4. Step 4: Simplify right side
    1,060.79x = 861,698.96
  5. Step 5: Solve for x
    x = 861,698.96/1,060.79
  6. Step 6: Final answer
    x = 812.32

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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.