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Finding the Fourth Proportional to 407.16, 562 and 232.52

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Solution

The fourth proportional to 407.16, 562 and 232.52 is: 320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    407.16 : 562 = 232.52 : x
  2. Step 2: Convert to fraction form
    407.16/562 = 232.52/x
  3. Step 3: Cross multiply
    407.16x = 562 × 232.52
  4. Step 4: Simplify right side
    407.16x = 130,676.24
  5. Step 5: Solve for x
    x = 130,676.24/407.16
  6. Step 6: Final answer
    x = 320.95

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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.