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Finding the Fourth Proportional to 292.11, 437.72 and 176.28

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Solution

The fourth proportional to 292.11, 437.72 and 176.28 is: 264.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.11 : 437.72 = 176.28 : x
  2. Step 2: Convert to fraction form
    292.11/437.72 = 176.28/x
  3. Step 3: Cross multiply
    292.11x = 437.72 × 176.28
  4. Step 4: Simplify right side
    292.11x = 77,160.40
  5. Step 5: Solve for x
    x = 77,160.40/292.11
  6. Step 6: Final answer
    x = 264.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.