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Finding the Fourth Proportional to 234,621,967.80, 329,150,999.40 and 234,621,967.80

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Solution

The fourth proportional to 234,621,967.80, 329,150,999.40 and 234,621,967.80 is: 329,150,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,621,967.80 : 329,150,999.40 = 234,621,967.80 : x
  2. Step 2: Convert to fraction form
    234,621,967.80/329,150,999.40 = 234,621,967.80/x
  3. Step 3: Cross multiply
    234,621,967.80x = 329,150,999.40 × 234,621,967.80
  4. Step 4: Simplify right side
    234,621,967.80x = 77,226,055,182,564,624
  5. Step 5: Solve for x
    x = 77,226,055,182,564,624/234,621,967.80
  6. Step 6: Final answer
    x = 329,150,999.40

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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.