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Finding the Fourth Proportional to 319,591.44, 479,601 and 132,602.94

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Solution

The fourth proportional to 319,591.44, 479,601 and 132,602.94 is: 198,993.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,591.44 : 479,601 = 132,602.94 : x
  2. Step 2: Convert to fraction form
    319,591.44/479,601 = 132,602.94/x
  3. Step 3: Cross multiply
    319,591.44x = 479,601 × 132,602.94
  4. Step 4: Simplify right side
    319,591.44x = 63,596,502,626.94
  5. Step 5: Solve for x
    x = 63,596,502,626.94/319,591.44
  6. Step 6: Final answer
    x = 198,993.14

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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.