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Finding the Fourth Proportional to 366,337.80, 549,506.70 and 206,249.40

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Solution

The fourth proportional to 366,337.80, 549,506.70 and 206,249.40 is: 309,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,337.80 : 549,506.70 = 206,249.40 : x
  2. Step 2: Convert to fraction form
    366,337.80/549,506.70 = 206,249.40/x
  3. Step 3: Cross multiply
    366,337.80x = 549,506.70 × 206,249.40
  4. Step 4: Simplify right side
    366,337.80x = 113,335,427,170.98
  5. Step 5: Solve for x
    x = 113,335,427,170.98/366,337.80
  6. Step 6: Final answer
    x = 309,374.10

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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.