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Finding the Fourth Proportional to 541,974.40, 813,883.20 and 401,891.20

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Solution

The fourth proportional to 541,974.40, 813,883.20 and 401,891.20 is: 603,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,974.40 : 813,883.20 = 401,891.20 : x
  2. Step 2: Convert to fraction form
    541,974.40/813,883.20 = 401,891.20/x
  3. Step 3: Cross multiply
    541,974.40x = 813,883.20 × 401,891.20
  4. Step 4: Simplify right side
    541,974.40x = 327,092,495,907.84
  5. Step 5: Solve for x
    x = 327,092,495,907.84/541,974.40
  6. Step 6: Final answer
    x = 603,520.20

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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.