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Finding the Fourth Proportional to 366,650.10, 550,412.55 and 206,853.30

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Solution

The fourth proportional to 366,650.10, 550,412.55 and 206,853.30 is: 310,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,650.10 : 550,412.55 = 206,853.30 : x
  2. Step 2: Convert to fraction form
    366,650.10/550,412.55 = 206,853.30/x
  3. Step 3: Cross multiply
    366,650.10x = 550,412.55 × 206,853.30
  4. Step 4: Simplify right side
    366,650.10x = 113,854,652,328.92
  5. Step 5: Solve for x
    x = 113,854,652,328.92/366,650.10
  6. Step 6: Final answer
    x = 310,526.72

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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.