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Finding the Fourth Proportional to 1,032.97, 1,425.52 and 590.91

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Solution

The fourth proportional to 1,032.97, 1,425.52 and 590.91 is: 815.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.97 : 1,425.52 = 590.91 : x
  2. Step 2: Convert to fraction form
    1,032.97/1,425.52 = 590.91/x
  3. Step 3: Cross multiply
    1,032.97x = 1,425.52 × 590.91
  4. Step 4: Simplify right side
    1,032.97x = 842,354.02
  5. Step 5: Solve for x
    x = 842,354.02/1,032.97
  6. Step 6: Final answer
    x = 815.47

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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.