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Finding the Fourth Proportional to 2,964,528.87, 4,447,055.88 and 834,631.44

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Solution

The fourth proportional to 2,964,528.87, 4,447,055.88 and 834,631.44 is: 1,252,021.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964,528.87 : 4,447,055.88 = 834,631.44 : x
  2. Step 2: Convert to fraction form
    2,964,528.87/4,447,055.88 = 834,631.44/x
  3. Step 3: Cross multiply
    2,964,528.87x = 4,447,055.88 × 834,631.44
  4. Step 4: Simplify right side
    2,964,528.87x = 3,711,652,652,884.87
  5. Step 5: Solve for x
    x = 3,711,652,652,884.87/2,964,528.87
  6. Step 6: Final answer
    x = 1,252,021.09

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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.