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Finding the Fourth Proportional to 4,655,878.61, 6,981,781.91 and 2,348,952.48

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Solution

The fourth proportional to 4,655,878.61, 6,981,781.91 and 2,348,952.48 is: 3,522,401.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,655,878.61 : 6,981,781.91 = 2,348,952.48 : x
  2. Step 2: Convert to fraction form
    4,655,878.61/6,981,781.91 = 2,348,952.48/x
  3. Step 3: Cross multiply
    4,655,878.61x = 6,981,781.91 × 2,348,952.48
  4. Step 4: Simplify right side
    4,655,878.61x = 16,399,873,920,568.88
  5. Step 5: Solve for x
    x = 16,399,873,920,568.88/4,655,878.61
  6. Step 6: Final answer
    x = 3,522,401.53

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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.