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Finding the Fourth Proportional to 935.56, 1,403.16 and 588.88

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Solution

The fourth proportional to 935.56, 1,403.16 and 588.88 is: 883.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.56 : 1,403.16 = 588.88 : x
  2. Step 2: Convert to fraction form
    935.56/1,403.16 = 588.88/x
  3. Step 3: Cross multiply
    935.56x = 1,403.16 × 588.88
  4. Step 4: Simplify right side
    935.56x = 826,292.86
  5. Step 5: Solve for x
    x = 826,292.86/935.56
  6. Step 6: Final answer
    x = 883.21

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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.