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Finding the Fourth Proportional to 432.79, 596.92 and 292.69

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Solution

The fourth proportional to 432.79, 596.92 and 292.69 is: 403.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.79 : 596.92 = 292.69 : x
  2. Step 2: Convert to fraction form
    432.79/596.92 = 292.69/x
  3. Step 3: Cross multiply
    432.79x = 596.92 × 292.69
  4. Step 4: Simplify right side
    432.79x = 174,712.51
  5. Step 5: Solve for x
    x = 174,712.51/432.79
  6. Step 6: Final answer
    x = 403.69

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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.