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Finding the Fourth Proportional to 627,592.60, 940,805.70 and 438,052.60

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Solution

The fourth proportional to 627,592.60, 940,805.70 and 438,052.60 is: 656,671.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,592.60 : 940,805.70 = 438,052.60 : x
  2. Step 2: Convert to fraction form
    627,592.60/940,805.70 = 438,052.60/x
  3. Step 3: Cross multiply
    627,592.60x = 940,805.70 × 438,052.60
  4. Step 4: Simplify right side
    627,592.60x = 412,122,382,979.82
  5. Step 5: Solve for x
    x = 412,122,382,979.82/627,592.60
  6. Step 6: Final answer
    x = 656,671.83

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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.