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Finding the Fourth Proportional to 360,921.41, 498,058.85 and 199,776.77

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Solution

The fourth proportional to 360,921.41, 498,058.85 and 199,776.77 is: 275,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,921.41 : 498,058.85 = 199,776.77 : x
  2. Step 2: Convert to fraction form
    360,921.41/498,058.85 = 199,776.77/x
  3. Step 3: Cross multiply
    360,921.41x = 498,058.85 × 199,776.77
  4. Step 4: Simplify right side
    360,921.41x = 99,500,587,324.03
  5. Step 5: Solve for x
    x = 99,500,587,324.03/360,921.41
  6. Step 6: Final answer
    x = 275,684.91

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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.