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Finding the Fourth Proportional to 352.14, 530.60 and 292.61

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Solution

The fourth proportional to 352.14, 530.60 and 292.61 is: 440.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.14 : 530.60 = 292.61 : x
  2. Step 2: Convert to fraction form
    352.14/530.60 = 292.61/x
  3. Step 3: Cross multiply
    352.14x = 530.60 × 292.61
  4. Step 4: Simplify right side
    352.14x = 155,254.75
  5. Step 5: Solve for x
    x = 155,254.75/352.14
  6. Step 6: Final answer
    x = 440.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.