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Finding the Fourth Proportional to 491,714.80, 735,822.60 and 341,249.20

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Solution

The fourth proportional to 491,714.80, 735,822.60 and 341,249.20 is: 510,659.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,714.80 : 735,822.60 = 341,249.20 : x
  2. Step 2: Convert to fraction form
    491,714.80/735,822.60 = 341,249.20/x
  3. Step 3: Cross multiply
    491,714.80x = 735,822.60 × 341,249.20
  4. Step 4: Simplify right side
    491,714.80x = 251,098,873,591.92
  5. Step 5: Solve for x
    x = 251,098,873,591.92/491,714.80
  6. Step 6: Final answer
    x = 510,659.58

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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.