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Finding the Fourth Proportional to 361,045.68, 498,246.96 and 199,903.56

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Solution

The fourth proportional to 361,045.68, 498,246.96 and 199,903.56 is: 275,869.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,045.68 : 498,246.96 = 199,903.56 : x
  2. Step 2: Convert to fraction form
    361,045.68/498,246.96 = 199,903.56/x
  3. Step 3: Cross multiply
    361,045.68x = 498,246.96 × 199,903.56
  4. Step 4: Simplify right side
    361,045.68x = 99,601,341,063.18
  5. Step 5: Solve for x
    x = 99,601,341,063.18/361,045.68
  6. Step 6: Final answer
    x = 275,869.08

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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.