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Finding the Fourth Proportional to 339,229,862.80, 508,844,794.20 and 339,229,862.80

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Solution

The fourth proportional to 339,229,862.80, 508,844,794.20 and 339,229,862.80 is: 508,844,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,229,862.80 : 508,844,794.20 = 339,229,862.80 : x
  2. Step 2: Convert to fraction form
    339,229,862.80/508,844,794.20 = 339,229,862.80/x
  3. Step 3: Cross multiply
    339,229,862.80x = 508,844,794.20 × 339,229,862.80
  4. Step 4: Simplify right side
    339,229,862.80x = 172,615,349,722,960,224
  5. Step 5: Solve for x
    x = 172,615,349,722,960,224/339,229,862.80
  6. Step 6: Final answer
    x = 508,844,794.20

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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.