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Finding the Fourth Proportional to 342,714.07, 472,951.70 and 191,810.71

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Solution

The fourth proportional to 342,714.07, 472,951.70 and 191,810.71 is: 264,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,714.07 : 472,951.70 = 191,810.71 : x
  2. Step 2: Convert to fraction form
    342,714.07/472,951.70 = 191,810.71/x
  3. Step 3: Cross multiply
    342,714.07x = 472,951.70 × 191,810.71
  4. Step 4: Simplify right side
    342,714.07x = 90,717,201,372.71
  5. Step 5: Solve for x
    x = 90,717,201,372.71/342,714.07
  6. Step 6: Final answer
    x = 264,702.30

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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.