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Finding the Fourth Proportional to 489,025,338.60, 733,538,007.90 and 489,025,338.60

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Solution

The fourth proportional to 489,025,338.60, 733,538,007.90 and 489,025,338.60 is: 733,538,007.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,025,338.60 : 733,538,007.90 = 489,025,338.60 : x
  2. Step 2: Convert to fraction form
    489,025,338.60/733,538,007.90 = 489,025,338.60/x
  3. Step 3: Cross multiply
    489,025,338.60x = 733,538,007.90 × 489,025,338.60
  4. Step 4: Simplify right side
    489,025,338.60x = 358,718,672,689,267,008
  5. Step 5: Solve for x
    x = 358,718,672,689,267,008/489,025,338.60
  6. Step 6: Final answer
    x = 733,538,007.90

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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.