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Finding the Fourth Proportional to 361,995.09, 499,625.92 and 209,058.18

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Solution

The fourth proportional to 361,995.09, 499,625.92 and 209,058.18 is: 288,542.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,995.09 : 499,625.92 = 209,058.18 : x
  2. Step 2: Convert to fraction form
    361,995.09/499,625.92 = 209,058.18/x
  3. Step 3: Cross multiply
    361,995.09x = 499,625.92 × 209,058.18
  4. Step 4: Simplify right side
    361,995.09x = 104,450,885,516.03
  5. Step 5: Solve for x
    x = 104,450,885,516.03/361,995.09
  6. Step 6: Final answer
    x = 288,542.27

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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.