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Finding the Fourth Proportional to 561,939.70, 842,909.55 and 182,896.15

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Solution

The fourth proportional to 561,939.70, 842,909.55 and 182,896.15 is: 274,344.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,939.70 : 842,909.55 = 182,896.15 : x
  2. Step 2: Convert to fraction form
    561,939.70/842,909.55 = 182,896.15/x
  3. Step 3: Cross multiply
    561,939.70x = 842,909.55 × 182,896.15
  4. Step 4: Simplify right side
    561,939.70x = 154,164,911,493.23
  5. Step 5: Solve for x
    x = 154,164,911,493.23/561,939.70
  6. Step 6: Final answer
    x = 274,344.23

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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.