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Finding the Fourth Proportional to 440,516.64, 660,694.08 and 200,573.76

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Solution

The fourth proportional to 440,516.64, 660,694.08 and 200,573.76 is: 300,823.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,516.64 : 660,694.08 = 200,573.76 : x
  2. Step 2: Convert to fraction form
    440,516.64/660,694.08 = 200,573.76/x
  3. Step 3: Cross multiply
    440,516.64x = 660,694.08 × 200,573.76
  4. Step 4: Simplify right side
    440,516.64x = 132,517,895,835.34
  5. Step 5: Solve for x
    x = 132,517,895,835.34/440,516.64
  6. Step 6: Final answer
    x = 300,823.81

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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.