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Finding the Fourth Proportional to 1,001.38, 1,502.10 and 590.82

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Solution

The fourth proportional to 1,001.38, 1,502.10 and 590.82 is: 886.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001.38 : 1,502.10 = 590.82 : x
  2. Step 2: Convert to fraction form
    1,001.38/1,502.10 = 590.82/x
  3. Step 3: Cross multiply
    1,001.38x = 1,502.10 × 590.82
  4. Step 4: Simplify right side
    1,001.38x = 887,470.72
  5. Step 5: Solve for x
    x = 887,470.72/1,001.38
  6. Step 6: Final answer
    x = 886.25

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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.