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Finding the Fourth Proportional to 497,067.60, 685,961.10 and 270,712.92

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Solution

The fourth proportional to 497,067.60, 685,961.10 and 270,712.92 is: 373,588.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,067.60 : 685,961.10 = 270,712.92 : x
  2. Step 2: Convert to fraction form
    497,067.60/685,961.10 = 270,712.92/x
  3. Step 3: Cross multiply
    497,067.60x = 685,961.10 × 270,712.92
  4. Step 4: Simplify right side
    497,067.60x = 185,698,532,387.41
  5. Step 5: Solve for x
    x = 185,698,532,387.41/497,067.60
  6. Step 6: Final answer
    x = 373,588.08

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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.