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Finding the Fourth Proportional to 441,347.20, 661,502.40 and 204,188.92

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Solution

The fourth proportional to 441,347.20, 661,502.40 and 204,188.92 is: 306,043.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,347.20 : 661,502.40 = 204,188.92 : x
  2. Step 2: Convert to fraction form
    441,347.20/661,502.40 = 204,188.92/x
  3. Step 3: Cross multiply
    441,347.20x = 661,502.40 × 204,188.92
  4. Step 4: Simplify right side
    441,347.20x = 135,071,460,633.41
  5. Step 5: Solve for x
    x = 135,071,460,633.41/441,347.20
  6. Step 6: Final answer
    x = 306,043.54

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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.