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Finding the Fourth Proportional to 244,821,008.20, 343,202,907.80 and 244,821,008.20

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Solution

The fourth proportional to 244,821,008.20, 343,202,907.80 and 244,821,008.20 is: 343,202,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,821,008.20 : 343,202,907.80 = 244,821,008.20 : x
  2. Step 2: Convert to fraction form
    244,821,008.20/343,202,907.80 = 244,821,008.20/x
  3. Step 3: Cross multiply
    244,821,008.20x = 343,202,907.80 × 244,821,008.20
  4. Step 4: Simplify right side
    244,821,008.20x = 84,023,281,904,767,648
  5. Step 5: Solve for x
    x = 84,023,281,904,767,648/244,821,008.20
  6. Step 6: Final answer
    x = 343,202,907.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.