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Finding the Fourth Proportional to 3,221,251.22, 4,831,877.79 and 946,776.02

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Solution

The fourth proportional to 3,221,251.22, 4,831,877.79 and 946,776.02 is: 1,420,164.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,251.22 : 4,831,877.79 = 946,776.02 : x
  2. Step 2: Convert to fraction form
    3,221,251.22/4,831,877.79 = 946,776.02/x
  3. Step 3: Cross multiply
    3,221,251.22x = 4,831,877.79 × 946,776.02
  4. Step 4: Simplify right side
    3,221,251.22x = 4,574,706,023,142.60
  5. Step 5: Solve for x
    x = 4,574,706,023,142.60/3,221,251.22
  6. Step 6: Final answer
    x = 1,420,164.31

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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.