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Finding the Fourth Proportional to 627,892.30, 941,838.45 and 253,722.70

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Solution

The fourth proportional to 627,892.30, 941,838.45 and 253,722.70 is: 380,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,892.30 : 941,838.45 = 253,722.70 : x
  2. Step 2: Convert to fraction form
    627,892.30/941,838.45 = 253,722.70/x
  3. Step 3: Cross multiply
    627,892.30x = 941,838.45 × 253,722.70
  4. Step 4: Simplify right side
    627,892.30x = 238,965,794,497.82
  5. Step 5: Solve for x
    x = 238,965,794,497.82/627,892.30
  6. Step 6: Final answer
    x = 380,584.05

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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.