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Finding the Fourth Proportional to 627,418.44, 938,801.88 and 374,836.32

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Solution

The fourth proportional to 627,418.44, 938,801.88 and 374,836.32 is: 560,865.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,418.44 : 938,801.88 = 374,836.32 : x
  2. Step 2: Convert to fraction form
    627,418.44/938,801.88 = 374,836.32/x
  3. Step 3: Cross multiply
    627,418.44x = 938,801.88 × 374,836.32
  4. Step 4: Simplify right side
    627,418.44x = 351,897,041,908.28
  5. Step 5: Solve for x
    x = 351,897,041,908.28/627,418.44
  6. Step 6: Final answer
    x = 560,865.00

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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.