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Finding the Fourth Proportional to 229,332,801.90, 321,972,915.30 and 229,332,801.90

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Solution

The fourth proportional to 229,332,801.90, 321,972,915.30 and 229,332,801.90 is: 321,972,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,332,801.90 : 321,972,915.30 = 229,332,801.90 : x
  2. Step 2: Convert to fraction form
    229,332,801.90/321,972,915.30 = 229,332,801.90/x
  3. Step 3: Cross multiply
    229,332,801.90x = 321,972,915.30 × 229,332,801.90
  4. Step 4: Simplify right side
    229,332,801.90x = 73,838,950,801,660,384
  5. Step 5: Solve for x
    x = 73,838,950,801,660,384/229,332,801.90
  6. Step 6: Final answer
    x = 321,972,915.30

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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.