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Finding the Fourth Proportional to 1,053.74, 1,454.16 and 588

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Solution

The fourth proportional to 1,053.74, 1,454.16 and 588 is: 811.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.74 : 1,454.16 = 588 : x
  2. Step 2: Convert to fraction form
    1,053.74/1,454.16 = 588/x
  3. Step 3: Cross multiply
    1,053.74x = 1,454.16 × 588
  4. Step 4: Simplify right side
    1,053.74x = 855,046.08
  5. Step 5: Solve for x
    x = 855,046.08/1,053.74
  6. Step 6: Final answer
    x = 811.44

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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.