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Finding the Fourth Proportional to 342,714.75, 472,947.98 and 191,840.91

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Solution

The fourth proportional to 342,714.75, 472,947.98 and 191,840.91 is: 264,741.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,714.75 : 472,947.98 = 191,840.91 : x
  2. Step 2: Convert to fraction form
    342,714.75/472,947.98 = 191,840.91/x
  3. Step 3: Cross multiply
    342,714.75x = 472,947.98 × 191,840.91
  4. Step 4: Simplify right side
    342,714.75x = 90,730,770,865.86
  5. Step 5: Solve for x
    x = 90,730,770,865.86/342,714.75
  6. Step 6: Final answer
    x = 264,741.37

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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.