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Finding the Fourth Proportional to 296,360.78, 408,951.99 and 175,480.43

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Solution

The fourth proportional to 296,360.78, 408,951.99 and 175,480.43 is: 242,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,360.78 : 408,951.99 = 175,480.43 : x
  2. Step 2: Convert to fraction form
    296,360.78/408,951.99 = 175,480.43/x
  3. Step 3: Cross multiply
    296,360.78x = 408,951.99 × 175,480.43
  4. Step 4: Simplify right side
    296,360.78x = 71,763,069,009.80
  5. Step 5: Solve for x
    x = 71,763,069,009.80/296,360.78
  6. Step 6: Final answer
    x = 242,147.66

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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.