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Finding the Fourth Proportional to 357.12, 534.88 and 183.52

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Solution

The fourth proportional to 357.12, 534.88 and 183.52 is: 274.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.12 : 534.88 = 183.52 : x
  2. Step 2: Convert to fraction form
    357.12/534.88 = 183.52/x
  3. Step 3: Cross multiply
    357.12x = 534.88 × 183.52
  4. Step 4: Simplify right side
    357.12x = 98,161.18
  5. Step 5: Solve for x
    x = 98,161.18/357.12
  6. Step 6: Final answer
    x = 274.87

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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.