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Finding the Fourth Proportional to 357.95, 535.68 and 292.19

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Solution

The fourth proportional to 357.95, 535.68 and 292.19 is: 437.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.95 : 535.68 = 292.19 : x
  2. Step 2: Convert to fraction form
    357.95/535.68 = 292.19/x
  3. Step 3: Cross multiply
    357.95x = 535.68 × 292.19
  4. Step 4: Simplify right side
    357.95x = 156,517.66
  5. Step 5: Solve for x
    x = 156,517.66/357.95
  6. Step 6: Final answer
    x = 437.26

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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.