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Finding the Fourth Proportional to 627,883.60, 941,825.40 and 154,562.80

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Solution

The fourth proportional to 627,883.60, 941,825.40 and 154,562.80 is: 231,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,883.60 : 941,825.40 = 154,562.80 : x
  2. Step 2: Convert to fraction form
    627,883.60/941,825.40 = 154,562.80/x
  3. Step 3: Cross multiply
    627,883.60x = 941,825.40 × 154,562.80
  4. Step 4: Simplify right side
    627,883.60x = 145,571,170,935.12
  5. Step 5: Solve for x
    x = 145,571,170,935.12/627,883.60
  6. Step 6: Final answer
    x = 231,844.20

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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.