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Finding the Fourth Proportional to 8,273,309.60, 12,409,964.40 and 2,208,029.60

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Solution

The fourth proportional to 8,273,309.60, 12,409,964.40 and 2,208,029.60 is: 3,312,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273,309.60 : 12,409,964.40 = 2,208,029.60 : x
  2. Step 2: Convert to fraction form
    8,273,309.60/12,409,964.40 = 2,208,029.60/x
  3. Step 3: Cross multiply
    8,273,309.60x = 12,409,964.40 × 2,208,029.60
  4. Step 4: Simplify right side
    8,273,309.60x = 27,401,568,730,146.24
  5. Step 5: Solve for x
    x = 27,401,568,730,146.24/8,273,309.60
  6. Step 6: Final answer
    x = 3,312,044.40

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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.