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Finding the Fourth Proportional to 429,753,272.33, 644,629,908.50 and 429,753,272.33

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Solution

The fourth proportional to 429,753,272.33, 644,629,908.50 and 429,753,272.33 is: 644,629,908.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,753,272.33 : 644,629,908.50 = 429,753,272.33 : x
  2. Step 2: Convert to fraction form
    429,753,272.33/644,629,908.50 = 429,753,272.33/x
  3. Step 3: Cross multiply
    429,753,272.33x = 644,629,908.50 × 429,753,272.33
  4. Step 4: Simplify right side
    429,753,272.33x = 277,031,812,614,291,552
  5. Step 5: Solve for x
    x = 277,031,812,614,291,552/429,753,272.33
  6. Step 6: Final answer
    x = 644,629,908.50

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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.