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Finding the Fourth Proportional to 292.50, 403.74 and 176.04

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Solution

The fourth proportional to 292.50, 403.74 and 176.04 is: 242.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.50 : 403.74 = 176.04 : x
  2. Step 2: Convert to fraction form
    292.50/403.74 = 176.04/x
  3. Step 3: Cross multiply
    292.50x = 403.74 × 176.04
  4. Step 4: Simplify right side
    292.50x = 71,074.39
  5. Step 5: Solve for x
    x = 71,074.39/292.50
  6. Step 6: Final answer
    x = 242.99

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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.