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Finding the Fourth Proportional to 341,726.80, 512,590.20 and 92,408.80

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Solution

The fourth proportional to 341,726.80, 512,590.20 and 92,408.80 is: 138,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,726.80 : 512,590.20 = 92,408.80 : x
  2. Step 2: Convert to fraction form
    341,726.80/512,590.20 = 92,408.80/x
  3. Step 3: Cross multiply
    341,726.80x = 512,590.20 × 92,408.80
  4. Step 4: Simplify right side
    341,726.80x = 47,367,845,273.76
  5. Step 5: Solve for x
    x = 47,367,845,273.76/341,726.80
  6. Step 6: Final answer
    x = 138,613.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.