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Finding the Fourth Proportional to 361,995.59, 499,626.62 and 209,058.68

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Solution

The fourth proportional to 361,995.59, 499,626.62 and 209,058.68 is: 288,542.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,995.59 : 499,626.62 = 209,058.68 : x
  2. Step 2: Convert to fraction form
    361,995.59/499,626.62 = 209,058.68/x
  3. Step 3: Cross multiply
    361,995.59x = 499,626.62 × 209,058.68
  4. Step 4: Simplify right side
    361,995.59x = 104,451,278,126.64
  5. Step 5: Solve for x
    x = 104,451,278,126.64/361,995.59
  6. Step 6: Final answer
    x = 288,542.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.