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Finding the Fourth Proportional to 3,398,566.54, 5,097,952.07 and 839,781.34

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Solution

The fourth proportional to 3,398,566.54, 5,097,952.07 and 839,781.34 is: 1,259,697.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398,566.54 : 5,097,952.07 = 839,781.34 : x
  2. Step 2: Convert to fraction form
    3,398,566.54/5,097,952.07 = 839,781.34/x
  3. Step 3: Cross multiply
    3,398,566.54x = 5,097,952.07 × 839,781.34
  4. Step 4: Simplify right side
    3,398,566.54x = 4,281,165,020,600.37
  5. Step 5: Solve for x
    x = 4,281,165,020,600.37/3,398,566.54
  6. Step 6: Final answer
    x = 1,259,697.28

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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.