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Finding the Fourth Proportional to 608,964.40, 913,446.60 and 188,282.80

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Solution

The fourth proportional to 608,964.40, 913,446.60 and 188,282.80 is: 282,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,964.40 : 913,446.60 = 188,282.80 : x
  2. Step 2: Convert to fraction form
    608,964.40/913,446.60 = 188,282.80/x
  3. Step 3: Cross multiply
    608,964.40x = 913,446.60 × 188,282.80
  4. Step 4: Simplify right side
    608,964.40x = 171,986,283,498.48
  5. Step 5: Solve for x
    x = 171,986,283,498.48/608,964.40
  6. Step 6: Final answer
    x = 282,424.20

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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.