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Finding the Fourth Proportional to 591.52, 816.04 and 358.48

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Solution

The fourth proportional to 591.52, 816.04 and 358.48 is: 494.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.52 : 816.04 = 358.48 : x
  2. Step 2: Convert to fraction form
    591.52/816.04 = 358.48/x
  3. Step 3: Cross multiply
    591.52x = 816.04 × 358.48
  4. Step 4: Simplify right side
    591.52x = 292,534.02
  5. Step 5: Solve for x
    x = 292,534.02/591.52
  6. Step 6: Final answer
    x = 494.55

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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.