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Finding the Fourth Proportional to 558,857.70, 838,286.55 and 444,696.30

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Solution

The fourth proportional to 558,857.70, 838,286.55 and 444,696.30 is: 667,044.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,857.70 : 838,286.55 = 444,696.30 : x
  2. Step 2: Convert to fraction form
    558,857.70/838,286.55 = 444,696.30/x
  3. Step 3: Cross multiply
    558,857.70x = 838,286.55 × 444,696.30
  4. Step 4: Simplify right side
    558,857.70x = 372,782,927,124.77
  5. Step 5: Solve for x
    x = 372,782,927,124.77/558,857.70
  6. Step 6: Final answer
    x = 667,044.45

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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.