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Finding the Fourth Proportional to 432.83, 597.32 and 266.95

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Solution

The fourth proportional to 432.83, 597.32 and 266.95 is: 368.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.83 : 597.32 = 266.95 : x
  2. Step 2: Convert to fraction form
    432.83/597.32 = 266.95/x
  3. Step 3: Cross multiply
    432.83x = 597.32 × 266.95
  4. Step 4: Simplify right side
    432.83x = 159,450.88
  5. Step 5: Solve for x
    x = 159,450.88/432.83
  6. Step 6: Final answer
    x = 368.39

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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.