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Finding the Fourth Proportional to 319,229.67, 478,914.59 and 94,607.73

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Solution

The fourth proportional to 319,229.67, 478,914.59 and 94,607.73 is: 141,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,229.67 : 478,914.59 = 94,607.73 : x
  2. Step 2: Convert to fraction form
    319,229.67/478,914.59 = 94,607.73/x
  3. Step 3: Cross multiply
    319,229.67x = 478,914.59 × 94,607.73
  4. Step 4: Simplify right side
    319,229.67x = 45,309,022,460.30
  5. Step 5: Solve for x
    x = 45,309,022,460.30/319,229.67
  6. Step 6: Final answer
    x = 141,932.36

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1.5x scale

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.