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Finding the Fourth Proportional to 627,825.60, 941,738.40 and 201,360.60

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Solution

The fourth proportional to 627,825.60, 941,738.40 and 201,360.60 is: 302,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,825.60 : 941,738.40 = 201,360.60 : x
  2. Step 2: Convert to fraction form
    627,825.60/941,738.40 = 201,360.60/x
  3. Step 3: Cross multiply
    627,825.60x = 941,738.40 × 201,360.60
  4. Step 4: Simplify right side
    627,825.60x = 189,629,009,267.04
  5. Step 5: Solve for x
    x = 189,629,009,267.04/627,825.60
  6. Step 6: Final answer
    x = 302,040.90

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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.