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Finding the Fourth Proportional to 4,245,978.12, 5,859,696.08 and 3,197,522.28

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Solution

The fourth proportional to 4,245,978.12, 5,859,696.08 and 3,197,522.28 is: 4,412,766.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245,978.12 : 5,859,696.08 = 3,197,522.28 : x
  2. Step 2: Convert to fraction form
    4,245,978.12/5,859,696.08 = 3,197,522.28/x
  3. Step 3: Cross multiply
    4,245,978.12x = 5,859,696.08 × 3,197,522.28
  4. Step 4: Simplify right side
    4,245,978.12x = 18,736,508,769,828.66
  5. Step 5: Solve for x
    x = 18,736,508,769,828.66/4,245,978.12
  6. Step 6: Final answer
    x = 4,412,766.21

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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.