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Finding the Fourth Proportional to 432.18, 596.48 and 292.05

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Solution

The fourth proportional to 432.18, 596.48 and 292.05 is: 403.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.18 : 596.48 = 292.05 : x
  2. Step 2: Convert to fraction form
    432.18/596.48 = 292.05/x
  3. Step 3: Cross multiply
    432.18x = 596.48 × 292.05
  4. Step 4: Simplify right side
    432.18x = 174,200.52
  5. Step 5: Solve for x
    x = 174,200.52/432.18
  6. Step 6: Final answer
    x = 403.07

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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.