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Finding the Fourth Proportional to 627,653.88, 940,906.73 and 272,539.76

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Solution

The fourth proportional to 627,653.88, 940,906.73 and 272,539.76 is: 408,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,653.88 : 940,906.73 = 272,539.76 : x
  2. Step 2: Convert to fraction form
    627,653.88/940,906.73 = 272,539.76/x
  3. Step 3: Cross multiply
    627,653.88x = 940,906.73 × 272,539.76
  4. Step 4: Simplify right side
    627,653.88x = 256,434,490,353.40
  5. Step 5: Solve for x
    x = 256,434,490,353.40/627,653.88
  6. Step 6: Final answer
    x = 408,560.35

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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.