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Finding the Fourth Proportional to 491,249.40, 736,874.10 and 341,950.20

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Solution

The fourth proportional to 491,249.40, 736,874.10 and 341,950.20 is: 512,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,249.40 : 736,874.10 = 341,950.20 : x
  2. Step 2: Convert to fraction form
    491,249.40/736,874.10 = 341,950.20/x
  3. Step 3: Cross multiply
    491,249.40x = 736,874.10 × 341,950.20
  4. Step 4: Simplify right side
    491,249.40x = 251,974,245,869.82
  5. Step 5: Solve for x
    x = 251,974,245,869.82/491,249.40
  6. Step 6: Final answer
    x = 512,925.30

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Similar ratio
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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.