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Finding the Fourth Proportional to 292.07, 402.76 and 175.70

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Solution

The fourth proportional to 292.07, 402.76 and 175.70 is: 242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.07 : 402.76 = 175.70 : x
  2. Step 2: Convert to fraction form
    292.07/402.76 = 175.70/x
  3. Step 3: Cross multiply
    292.07x = 402.76 × 175.70
  4. Step 4: Simplify right side
    292.07x = 70,764.93
  5. Step 5: Solve for x
    x = 70,764.93/292.07
  6. Step 6: Final answer
    x = 242.29

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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.