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Finding the Fourth Proportional to 424.88, 586.35 and 267.53

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Solution

The fourth proportional to 424.88, 586.35 and 267.53 is: 369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    424.88 : 586.35 = 267.53 : x
  2. Step 2: Convert to fraction form
    424.88/586.35 = 267.53/x
  3. Step 3: Cross multiply
    424.88x = 586.35 × 267.53
  4. Step 4: Simplify right side
    424.88x = 156,866.22
  5. Step 5: Solve for x
    x = 156,866.22/424.88
  6. Step 6: Final answer
    x = 369.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.