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Finding the Fourth Proportional to 372.96, 514.70 and 262.46

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Solution

The fourth proportional to 372.96, 514.70 and 262.46 is: 362.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.96 : 514.70 = 262.46 : x
  2. Step 2: Convert to fraction form
    372.96/514.70 = 262.46/x
  3. Step 3: Cross multiply
    372.96x = 514.70 × 262.46
  4. Step 4: Simplify right side
    372.96x = 135,088.16
  5. Step 5: Solve for x
    x = 135,088.16/372.96
  6. Step 6: Final answer
    x = 362.21

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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.