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Finding the Fourth Proportional to 366,334.80, 549,502.20 and 206,246.40

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Solution

The fourth proportional to 366,334.80, 549,502.20 and 206,246.40 is: 309,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,334.80 : 549,502.20 = 206,246.40 : x
  2. Step 2: Convert to fraction form
    366,334.80/549,502.20 = 206,246.40/x
  3. Step 3: Cross multiply
    366,334.80x = 549,502.20 × 206,246.40
  4. Step 4: Simplify right side
    366,334.80x = 113,332,850,542.08
  5. Step 5: Solve for x
    x = 113,332,850,542.08/366,334.80
  6. Step 6: Final answer
    x = 309,369.60

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1.5x scale

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.