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Finding the Fourth Proportional to 541,883.40, 811,950.30 and 341,845.80

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Solution

The fourth proportional to 541,883.40, 811,950.30 and 341,845.80 is: 512,216.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,883.40 : 811,950.30 = 341,845.80 : x
  2. Step 2: Convert to fraction form
    541,883.40/811,950.30 = 341,845.80/x
  3. Step 3: Cross multiply
    541,883.40x = 811,950.30 × 341,845.80
  4. Step 4: Simplify right side
    541,883.40x = 277,561,799,863.74
  5. Step 5: Solve for x
    x = 277,561,799,863.74/541,883.40
  6. Step 6: Final answer
    x = 512,216.83

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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.