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Finding the Fourth Proportional to 466,266.60, 699,399.90 and 199,981.80

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Solution

The fourth proportional to 466,266.60, 699,399.90 and 199,981.80 is: 299,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,266.60 : 699,399.90 = 199,981.80 : x
  2. Step 2: Convert to fraction form
    466,266.60/699,399.90 = 199,981.80/x
  3. Step 3: Cross multiply
    466,266.60x = 699,399.90 × 199,981.80
  4. Step 4: Simplify right side
    466,266.60x = 139,867,250,921.82
  5. Step 5: Solve for x
    x = 139,867,250,921.82/466,266.60
  6. Step 6: Final answer
    x = 299,972.70

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Similar ratio
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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.