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Finding the Fourth Proportional to 366,919.35, 550,379.03 and 338,050.95

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Solution

The fourth proportional to 366,919.35, 550,379.03 and 338,050.95 is: 507,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,919.35 : 550,379.03 = 338,050.95 : x
  2. Step 2: Convert to fraction form
    366,919.35/550,379.03 = 338,050.95/x
  3. Step 3: Cross multiply
    366,919.35x = 550,379.03 × 338,050.95
  4. Step 4: Simplify right side
    366,919.35x = 186,056,153,951.58
  5. Step 5: Solve for x
    x = 186,056,153,951.58/366,919.35
  6. Step 6: Final answer
    x = 507,076.43

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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.