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Finding the Fourth Proportional to 627,005.60, 940,119.60 and 360,634.40

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Solution

The fourth proportional to 627,005.60, 940,119.60 and 360,634.40 is: 540,727.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,005.60 : 940,119.60 = 360,634.40 : x
  2. Step 2: Convert to fraction form
    627,005.60/940,119.60 = 360,634.40/x
  3. Step 3: Cross multiply
    627,005.60x = 940,119.60 × 360,634.40
  4. Step 4: Simplify right side
    627,005.60x = 339,039,467,874.24
  5. Step 5: Solve for x
    x = 339,039,467,874.24/627,005.60
  6. Step 6: Final answer
    x = 540,727.97

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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.