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Finding the Fourth Proportional to 265,787,469.20, 398,681,203.80 and 237,122,022.80

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Solution

The fourth proportional to 265,787,469.20, 398,681,203.80 and 237,122,022.80 is: 355,683,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,787,469.20 : 398,681,203.80 = 237,122,022.80 : x
  2. Step 2: Convert to fraction form
    265,787,469.20/398,681,203.80 = 237,122,022.80/x
  3. Step 3: Cross multiply
    265,787,469.20x = 398,681,203.80 × 237,122,022.80
  4. Step 4: Simplify right side
    265,787,469.20x = 94,536,093,497,395,056
  5. Step 5: Solve for x
    x = 94,536,093,497,395,056/265,787,469.20
  6. Step 6: Final answer
    x = 355,683,034.20

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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.