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Finding the Fourth Proportional to 524.95, 724.44 and 292.08

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Solution

The fourth proportional to 524.95, 724.44 and 292.08 is: 403.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.95 : 724.44 = 292.08 : x
  2. Step 2: Convert to fraction form
    524.95/724.44 = 292.08/x
  3. Step 3: Cross multiply
    524.95x = 724.44 × 292.08
  4. Step 4: Simplify right side
    524.95x = 211,594.44
  5. Step 5: Solve for x
    x = 211,594.44/524.95
  6. Step 6: Final answer
    x = 403.08

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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.