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Finding the Fourth Proportional to 297,889,414.60, 446,834,121.90 and 82,478,662.60

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Solution

The fourth proportional to 297,889,414.60, 446,834,121.90 and 82,478,662.60 is: 123,717,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,889,414.60 : 446,834,121.90 = 82,478,662.60 : x
  2. Step 2: Convert to fraction form
    297,889,414.60/446,834,121.90 = 82,478,662.60/x
  3. Step 3: Cross multiply
    297,889,414.60x = 446,834,121.90 × 82,478,662.60
  4. Step 4: Simplify right side
    297,889,414.60x = 36,854,280,778,357,368
  5. Step 5: Solve for x
    x = 36,854,280,778,357,368/297,889,414.60
  6. Step 6: Final answer
    x = 123,717,993.90

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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.