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Finding the Fourth Proportional to 432.76, 597 and 266.95

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Solution

The fourth proportional to 432.76, 597 and 266.95 is: 368.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.76 : 597 = 266.95 : x
  2. Step 2: Convert to fraction form
    432.76/597 = 266.95/x
  3. Step 3: Cross multiply
    432.76x = 597 × 266.95
  4. Step 4: Simplify right side
    432.76x = 159,369.15
  5. Step 5: Solve for x
    x = 159,369.15/432.76
  6. Step 6: Final answer
    x = 368.26

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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.