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Finding the Fourth Proportional to 432.02, 596.95 and 339.50

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Solution

The fourth proportional to 432.02, 596.95 and 339.50 is: 469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.02 : 596.95 = 339.50 : x
  2. Step 2: Convert to fraction form
    432.02/596.95 = 339.50/x
  3. Step 3: Cross multiply
    432.02x = 596.95 × 339.50
  4. Step 4: Simplify right side
    432.02x = 202,663.68
  5. Step 5: Solve for x
    x = 202,663.68/432.02
  6. Step 6: Final answer
    x = 469.11

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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.