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Finding the Fourth Proportional to 3,478,168.08, 4,799,872.08 and 1,950,275.34

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Solution

The fourth proportional to 3,478,168.08, 4,799,872.08 and 1,950,275.34 is: 2,691,380.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,168.08 : 4,799,872.08 = 1,950,275.34 : x
  2. Step 2: Convert to fraction form
    3,478,168.08/4,799,872.08 = 1,950,275.34/x
  3. Step 3: Cross multiply
    3,478,168.08x = 4,799,872.08 × 1,950,275.34
  4. Step 4: Simplify right side
    3,478,168.08x = 9,361,072,152,778.51
  5. Step 5: Solve for x
    x = 9,361,072,152,778.51/3,478,168.08
  6. Step 6: Final answer
    x = 2,691,380.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.