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Finding the Fourth Proportional to 966,625.60, 1,449,938.40 and 668,027.20

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Solution

The fourth proportional to 966,625.60, 1,449,938.40 and 668,027.20 is: 1,002,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,625.60 : 1,449,938.40 = 668,027.20 : x
  2. Step 2: Convert to fraction form
    966,625.60/1,449,938.40 = 668,027.20/x
  3. Step 3: Cross multiply
    966,625.60x = 1,449,938.40 × 668,027.20
  4. Step 4: Simplify right side
    966,625.60x = 968,598,289,524.48
  5. Step 5: Solve for x
    x = 968,598,289,524.48/966,625.60
  6. Step 6: Final answer
    x = 1,002,040.80

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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.