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Finding the Fourth Proportional to 361,045.31, 498,246.46 and 199,903.19

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Solution

The fourth proportional to 361,045.31, 498,246.46 and 199,903.19 is: 275,868.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,045.31 : 498,246.46 = 199,903.19 : x
  2. Step 2: Convert to fraction form
    361,045.31/498,246.46 = 199,903.19/x
  3. Step 3: Cross multiply
    361,045.31x = 498,246.46 × 199,903.19
  4. Step 4: Simplify right side
    361,045.31x = 99,601,053,769.22
  5. Step 5: Solve for x
    x = 99,601,053,769.22/361,045.31
  6. Step 6: Final answer
    x = 275,868.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.