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Finding the Fourth Proportional to 608,882.80, 913,324.20 and 188,287.60

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Solution

The fourth proportional to 608,882.80, 913,324.20 and 188,287.60 is: 282,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,882.80 : 913,324.20 = 188,287.60 : x
  2. Step 2: Convert to fraction form
    608,882.80/913,324.20 = 188,287.60/x
  3. Step 3: Cross multiply
    608,882.80x = 913,324.20 × 188,287.60
  4. Step 4: Simplify right side
    608,882.80x = 171,967,621,639.92
  5. Step 5: Solve for x
    x = 171,967,621,639.92/608,882.80
  6. Step 6: Final answer
    x = 282,431.40

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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.