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Finding the Fourth Proportional to 329,757,450.40, 494,636,175.60 and 87,444,848.80

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Solution

The fourth proportional to 329,757,450.40, 494,636,175.60 and 87,444,848.80 is: 131,167,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,757,450.40 : 494,636,175.60 = 87,444,848.80 : x
  2. Step 2: Convert to fraction form
    329,757,450.40/494,636,175.60 = 87,444,848.80/x
  3. Step 3: Cross multiply
    329,757,450.40x = 494,636,175.60 × 87,444,848.80
  4. Step 4: Simplify right side
    329,757,450.40x = 43,253,385,586,352,248
  5. Step 5: Solve for x
    x = 43,253,385,586,352,248/329,757,450.40
  6. Step 6: Final answer
    x = 131,167,273.20

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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.