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Finding the Fourth Proportional to 319,597.92, 479,314.80 and 94,905.36

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Solution

The fourth proportional to 319,597.92, 479,314.80 and 94,905.36 is: 142,333.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,597.92 : 479,314.80 = 94,905.36 : x
  2. Step 2: Convert to fraction form
    319,597.92/479,314.80 = 94,905.36/x
  3. Step 3: Cross multiply
    319,597.92x = 479,314.80 × 94,905.36
  4. Step 4: Simplify right side
    319,597.92x = 45,489,543,647.33
  5. Step 5: Solve for x
    x = 45,489,543,647.33/319,597.92
  6. Step 6: Final answer
    x = 142,333.67

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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.