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Finding the Fourth Proportional to 319,226.88, 478,847.60 and 94,583.10

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Solution

The fourth proportional to 319,226.88, 478,847.60 and 94,583.10 is: 141,876.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,226.88 : 478,847.60 = 94,583.10 : x
  2. Step 2: Convert to fraction form
    319,226.88/478,847.60 = 94,583.10/x
  3. Step 3: Cross multiply
    319,226.88x = 478,847.60 × 94,583.10
  4. Step 4: Simplify right side
    319,226.88x = 45,290,890,435.56
  5. Step 5: Solve for x
    x = 45,290,890,435.56/319,226.88
  6. Step 6: Final answer
    x = 141,876.81

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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.