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Finding the Fourth Proportional to 935.81, 1,404.03 and 588.73

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Solution

The fourth proportional to 935.81, 1,404.03 and 588.73 is: 883.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.81 : 1,404.03 = 588.73 : x
  2. Step 2: Convert to fraction form
    935.81/1,404.03 = 588.73/x
  3. Step 3: Cross multiply
    935.81x = 1,404.03 × 588.73
  4. Step 4: Simplify right side
    935.81x = 826,594.58
  5. Step 5: Solve for x
    x = 826,594.58/935.81
  6. Step 6: Final answer
    x = 883.29

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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.