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Finding the Fourth Proportional to 432.91, 597.65 and 293.77

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Solution

The fourth proportional to 432.91, 597.65 and 293.77 is: 405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.91 : 597.65 = 293.77 : x
  2. Step 2: Convert to fraction form
    432.91/597.65 = 293.77/x
  3. Step 3: Cross multiply
    432.91x = 597.65 × 293.77
  4. Step 4: Simplify right side
    432.91x = 175,571.64
  5. Step 5: Solve for x
    x = 175,571.64/432.91
  6. Step 6: Final answer
    x = 405.56

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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.