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Finding the Fourth Proportional to 366,909.23, 550,363.85 and 338,040.83

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Solution

The fourth proportional to 366,909.23, 550,363.85 and 338,040.83 is: 507,061.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,909.23 : 550,363.85 = 338,040.83 : x
  2. Step 2: Convert to fraction form
    366,909.23/550,363.85 = 338,040.83/x
  3. Step 3: Cross multiply
    366,909.23x = 550,363.85 × 338,040.83
  4. Step 4: Simplify right side
    366,909.23x = 186,045,448,213.97
  5. Step 5: Solve for x
    x = 186,045,448,213.97/366,909.23
  6. Step 6: Final answer
    x = 507,061.24

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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.