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Finding the Fourth Proportional to 8,282,908.40, 12,416,975.40 and 3,233,044.40

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Solution

The fourth proportional to 8,282,908.40, 12,416,975.40 and 3,233,044.40 is: 4,846,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282,908.40 : 12,416,975.40 = 3,233,044.40 : x
  2. Step 2: Convert to fraction form
    8,282,908.40/12,416,975.40 = 3,233,044.40/x
  3. Step 3: Cross multiply
    8,282,908.40x = 12,416,975.40 × 3,233,044.40
  4. Step 4: Simplify right side
    8,282,908.40x = 40,144,632,781,907.76
  5. Step 5: Solve for x
    x = 40,144,632,781,907.76/8,282,908.40
  6. Step 6: Final answer
    x = 4,846,683.17

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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.