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Finding the Fourth Proportional to 608,896.80, 913,345.20 and 188,301.60

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Solution

The fourth proportional to 608,896.80, 913,345.20 and 188,301.60 is: 282,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,896.80 : 913,345.20 = 188,301.60 : x
  2. Step 2: Convert to fraction form
    608,896.80/913,345.20 = 188,301.60/x
  3. Step 3: Cross multiply
    608,896.80x = 913,345.20 × 188,301.60
  4. Step 4: Simplify right side
    608,896.80x = 171,984,362,512.32
  5. Step 5: Solve for x
    x = 171,984,362,512.32/608,896.80
  6. Step 6: Final answer
    x = 282,452.40

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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.