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Finding the Fourth Proportional to 935.26, 1,403.07 and 358.18

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Solution

The fourth proportional to 935.26, 1,403.07 and 358.18 is: 537.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.26 : 1,403.07 = 358.18 : x
  2. Step 2: Convert to fraction form
    935.26/1,403.07 = 358.18/x
  3. Step 3: Cross multiply
    935.26x = 1,403.07 × 358.18
  4. Step 4: Simplify right side
    935.26x = 502,551.61
  5. Step 5: Solve for x
    x = 502,551.61/935.26
  6. Step 6: Final answer
    x = 537.34

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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.