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Finding the Fourth Proportional to 618,227.10, 926,465.85 and 542,994.30

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Solution

The fourth proportional to 618,227.10, 926,465.85 and 542,994.30 is: 813,723.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,227.10 : 926,465.85 = 542,994.30 : x
  2. Step 2: Convert to fraction form
    618,227.10/926,465.85 = 542,994.30/x
  3. Step 3: Cross multiply
    618,227.10x = 926,465.85 × 542,994.30
  4. Step 4: Simplify right side
    618,227.10x = 503,065,675,694.66
  5. Step 5: Solve for x
    x = 503,065,675,694.66/618,227.10
  6. Step 6: Final answer
    x = 813,723.11

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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.