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Finding the Fourth Proportional to 799,791.11, 1,103,713.92 and 437,219.31

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Solution

The fourth proportional to 799,791.11, 1,103,713.92 and 437,219.31 is: 603,363.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,791.11 : 1,103,713.92 = 437,219.31 : x
  2. Step 2: Convert to fraction form
    799,791.11/1,103,713.92 = 437,219.31/x
  3. Step 3: Cross multiply
    799,791.11x = 1,103,713.92 × 437,219.31
  4. Step 4: Simplify right side
    799,791.11x = 482,565,038,539.80
  5. Step 5: Solve for x
    x = 482,565,038,539.80/799,791.11
  6. Step 6: Final answer
    x = 603,363.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.