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Finding the Fourth Proportional to 649,755.21, 974,276.06 and 200,351.32

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Solution

The fourth proportional to 649,755.21, 974,276.06 and 200,351.32 is: 300,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,755.21 : 974,276.06 = 200,351.32 : x
  2. Step 2: Convert to fraction form
    649,755.21/974,276.06 = 200,351.32/x
  3. Step 3: Cross multiply
    649,755.21x = 974,276.06 × 200,351.32
  4. Step 4: Simplify right side
    649,755.21x = 195,197,488,792.26
  5. Step 5: Solve for x
    x = 195,197,488,792.26/649,755.21
  6. Step 6: Final answer
    x = 300,416.97

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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.