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Finding the Fourth Proportional to 319,252.56, 478,954.02 and 94,614.85

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Solution

The fourth proportional to 319,252.56, 478,954.02 and 94,614.85 is: 141,944.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,252.56 : 478,954.02 = 94,614.85 : x
  2. Step 2: Convert to fraction form
    319,252.56/478,954.02 = 94,614.85/x
  3. Step 3: Cross multiply
    319,252.56x = 478,954.02 × 94,614.85
  4. Step 4: Simplify right side
    319,252.56x = 45,316,162,759.20
  5. Step 5: Solve for x
    x = 45,316,162,759.20/319,252.56
  6. Step 6: Final answer
    x = 141,944.56

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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.