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Finding the Fourth Proportional to 415,079,048.04, 622,619,754.04 and 119,998,189.55

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Solution

The fourth proportional to 415,079,048.04, 622,619,754.04 and 119,998,189.55 is: 179,997,626.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,079,048.04 : 622,619,754.04 = 119,998,189.55 : x
  2. Step 2: Convert to fraction form
    415,079,048.04/622,619,754.04 = 119,998,189.55/x
  3. Step 3: Cross multiply
    415,079,048.04x = 622,619,754.04 × 119,998,189.55
  4. Step 4: Simplify right side
    415,079,048.04x = 74,713,243,261,395,792
  5. Step 5: Solve for x
    x = 74,713,243,261,395,792/415,079,048.04
  6. Step 6: Final answer
    x = 179,997,626.03

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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.