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Finding the Fourth Proportional to 881,604.60, 1,325,225.70 and 819,202.20

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Solution

The fourth proportional to 881,604.60, 1,325,225.70 and 819,202.20 is: 1,231,422.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,604.60 : 1,325,225.70 = 819,202.20 : x
  2. Step 2: Convert to fraction form
    881,604.60/1,325,225.70 = 819,202.20/x
  3. Step 3: Cross multiply
    881,604.60x = 1,325,225.70 × 819,202.20
  4. Step 4: Simplify right side
    881,604.60x = 1,085,627,808,936.54
  5. Step 5: Solve for x
    x = 1,085,627,808,936.54/881,604.60
  6. Step 6: Final answer
    x = 1,231,422.58

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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.