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Finding the Fourth Proportional to 269,642,279.56, 372,363,337.70 and 254,952,375.48

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Solution

The fourth proportional to 269,642,279.56, 372,363,337.70 and 254,952,375.48 is: 352,077,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,642,279.56 : 372,363,337.70 = 254,952,375.48 : x
  2. Step 2: Convert to fraction form
    269,642,279.56/372,363,337.70 = 254,952,375.48/x
  3. Step 3: Cross multiply
    269,642,279.56x = 372,363,337.70 × 254,952,375.48
  4. Step 4: Simplify right side
    269,642,279.56x = 94,934,917,488,276,432
  5. Step 5: Solve for x
    x = 94,934,917,488,276,432/269,642,279.56
  6. Step 6: Final answer
    x = 352,077,269.35

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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.