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Finding the Fourth Proportional to 627,000.60, 940,112.10 and 360,629.40

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Solution

The fourth proportional to 627,000.60, 940,112.10 and 360,629.40 is: 540,720.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,000.60 : 940,112.10 = 360,629.40 : x
  2. Step 2: Convert to fraction form
    627,000.60/940,112.10 = 360,629.40/x
  3. Step 3: Cross multiply
    627,000.60x = 940,112.10 × 360,629.40
  4. Step 4: Simplify right side
    627,000.60x = 339,032,062,555.74
  5. Step 5: Solve for x
    x = 339,032,062,555.74/627,000.60
  6. Step 6: Final answer
    x = 540,720.48

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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.