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Finding the Fourth Proportional to 588,003.80, 882,005.70 and 422,115.80

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Solution

The fourth proportional to 588,003.80, 882,005.70 and 422,115.80 is: 633,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,003.80 : 882,005.70 = 422,115.80 : x
  2. Step 2: Convert to fraction form
    588,003.80/882,005.70 = 422,115.80/x
  3. Step 3: Cross multiply
    588,003.80x = 882,005.70 × 422,115.80
  4. Step 4: Simplify right side
    588,003.80x = 372,308,541,660.06
  5. Step 5: Solve for x
    x = 372,308,541,660.06/588,003.80
  6. Step 6: Final answer
    x = 633,173.70

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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.