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Finding the Fourth Proportional to 3,299,685.96, 4,949,902.61 and 2,960,643.22

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Solution

The fourth proportional to 3,299,685.96, 4,949,902.61 and 2,960,643.22 is: 4,441,300.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299,685.96 : 4,949,902.61 = 2,960,643.22 : x
  2. Step 2: Convert to fraction form
    3,299,685.96/4,949,902.61 = 2,960,643.22/x
  3. Step 3: Cross multiply
    3,299,685.96x = 4,949,902.61 × 2,960,643.22
  4. Step 4: Simplify right side
    3,299,685.96x = 14,654,895,585,881.24
  5. Step 5: Solve for x
    x = 14,654,895,585,881.24/3,299,685.96
  6. Step 6: Final answer
    x = 4,441,300.10

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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.