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Finding the Fourth Proportional to 524.89, 724.32 and 292

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Solution

The fourth proportional to 524.89, 724.32 and 292 is: 402.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.89 : 724.32 = 292 : x
  2. Step 2: Convert to fraction form
    524.89/724.32 = 292/x
  3. Step 3: Cross multiply
    524.89x = 724.32 × 292
  4. Step 4: Simplify right side
    524.89x = 211,501.44
  5. Step 5: Solve for x
    x = 211,501.44/524.89
  6. Step 6: Final answer
    x = 402.94

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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.