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Finding the Fourth Proportional to 656,443.44, 984,665.16 and 207,199.35

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Solution

The fourth proportional to 656,443.44, 984,665.16 and 207,199.35 is: 310,799.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,443.44 : 984,665.16 = 207,199.35 : x
  2. Step 2: Convert to fraction form
    656,443.44/984,665.16 = 207,199.35/x
  3. Step 3: Cross multiply
    656,443.44x = 984,665.16 × 207,199.35
  4. Step 4: Simplify right side
    656,443.44x = 204,021,981,119.65
  5. Step 5: Solve for x
    x = 204,021,981,119.65/656,443.44
  6. Step 6: Final answer
    x = 310,799.03

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Similar ratio
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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.