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Finding the Fourth Proportional to 966,229.80, 1,449,344.70 and 606,978.60

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Solution

The fourth proportional to 966,229.80, 1,449,344.70 and 606,978.60 is: 910,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,229.80 : 1,449,344.70 = 606,978.60 : x
  2. Step 2: Convert to fraction form
    966,229.80/1,449,344.70 = 606,978.60/x
  3. Step 3: Cross multiply
    966,229.80x = 1,449,344.70 × 606,978.60
  4. Step 4: Simplify right side
    966,229.80x = 879,721,216,923.42
  5. Step 5: Solve for x
    x = 879,721,216,923.42/966,229.80
  6. Step 6: Final answer
    x = 910,467.90

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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.