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Finding the Fourth Proportional to 3,108,087, 4,662,394.56 and 864,225

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Solution

The fourth proportional to 3,108,087, 4,662,394.56 and 864,225 is: 1,296,410.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,087 : 4,662,394.56 = 864,225 : x
  2. Step 2: Convert to fraction form
    3,108,087/4,662,394.56 = 864,225/x
  3. Step 3: Cross multiply
    3,108,087x = 4,662,394.56 × 864,225
  4. Step 4: Simplify right side
    3,108,087x = 4,029,357,938,616.00
  5. Step 5: Solve for x
    x = 4,029,357,938,616.00/3,108,087
  6. Step 6: Final answer
    x = 1,296,410.92

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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.