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Finding the Fourth Proportional to 466,515.40, 699,254.70 and 200,230.60

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Solution

The fourth proportional to 466,515.40, 699,254.70 and 200,230.60 is: 300,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,515.40 : 699,254.70 = 200,230.60 : x
  2. Step 2: Convert to fraction form
    466,515.40/699,254.70 = 200,230.60/x
  3. Step 3: Cross multiply
    466,515.40x = 699,254.70 × 200,230.60
  4. Step 4: Simplify right side
    466,515.40x = 140,012,188,133.82
  5. Step 5: Solve for x
    x = 140,012,188,133.82/466,515.40
  6. Step 6: Final answer
    x = 300,123.40

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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.