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Finding the Fourth Proportional to 649,520.66, 974,371.21 and 200,276.84

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Solution

The fourth proportional to 649,520.66, 974,371.21 and 200,276.84 is: 300,443.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,520.66 : 974,371.21 = 200,276.84 : x
  2. Step 2: Convert to fraction form
    649,520.66/974,371.21 = 200,276.84/x
  3. Step 3: Cross multiply
    649,520.66x = 974,371.21 × 200,276.84
  4. Step 4: Simplify right side
    649,520.66x = 195,143,988,861.01
  5. Step 5: Solve for x
    x = 195,143,988,861.01/649,520.66
  6. Step 6: Final answer
    x = 300,443.08

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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.