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Finding the Fourth Proportional to 544,058.20, 816,087.30 and 189,108.10

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Solution

The fourth proportional to 544,058.20, 816,087.30 and 189,108.10 is: 283,662.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,058.20 : 816,087.30 = 189,108.10 : x
  2. Step 2: Convert to fraction form
    544,058.20/816,087.30 = 189,108.10/x
  3. Step 3: Cross multiply
    544,058.20x = 816,087.30 × 189,108.10
  4. Step 4: Simplify right side
    544,058.20x = 154,328,718,737.13
  5. Step 5: Solve for x
    x = 154,328,718,737.13/544,058.20
  6. Step 6: Final answer
    x = 283,662.15

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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.