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Finding the Fourth Proportional to 608,950.80, 913,426.20 and 294,022.80

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Solution

The fourth proportional to 608,950.80, 913,426.20 and 294,022.80 is: 441,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,950.80 : 913,426.20 = 294,022.80 : x
  2. Step 2: Convert to fraction form
    608,950.80/913,426.20 = 294,022.80/x
  3. Step 3: Cross multiply
    608,950.80x = 913,426.20 × 294,022.80
  4. Step 4: Simplify right side
    608,950.80x = 268,568,128,917.36
  5. Step 5: Solve for x
    x = 268,568,128,917.36/608,950.80
  6. Step 6: Final answer
    x = 441,034.20

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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.