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Finding the Fourth Proportional to 627,904.40, 941,856.60 and 253,927.40

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Solution

The fourth proportional to 627,904.40, 941,856.60 and 253,927.40 is: 380,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,904.40 : 941,856.60 = 253,927.40 : x
  2. Step 2: Convert to fraction form
    627,904.40/941,856.60 = 253,927.40/x
  3. Step 3: Cross multiply
    627,904.40x = 941,856.60 × 253,927.40
  4. Step 4: Simplify right side
    627,904.40x = 239,163,197,610.84
  5. Step 5: Solve for x
    x = 239,163,197,610.84/627,904.40
  6. Step 6: Final answer
    x = 380,891.10

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Similar ratio
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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.