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Finding the Fourth Proportional to 484,010.10, 726,015.15 and 274,058.10

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Solution

The fourth proportional to 484,010.10, 726,015.15 and 274,058.10 is: 411,087.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,010.10 : 726,015.15 = 274,058.10 : x
  2. Step 2: Convert to fraction form
    484,010.10/726,015.15 = 274,058.10/x
  3. Step 3: Cross multiply
    484,010.10x = 726,015.15 × 274,058.10
  4. Step 4: Simplify right side
    484,010.10x = 198,970,332,580.22
  5. Step 5: Solve for x
    x = 198,970,332,580.22/484,010.10
  6. Step 6: Final answer
    x = 411,087.15

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Similar ratio
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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.