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Finding the Fourth Proportional to 357.42, 535.32 and 337.17

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Solution

The fourth proportional to 357.42, 535.32 and 337.17 is: 504.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.42 : 535.32 = 337.17 : x
  2. Step 2: Convert to fraction form
    357.42/535.32 = 337.17/x
  3. Step 3: Cross multiply
    357.42x = 535.32 × 337.17
  4. Step 4: Simplify right side
    357.42x = 180,493.84
  5. Step 5: Solve for x
    x = 180,493.84/357.42
  6. Step 6: Final answer
    x = 504.99

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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.