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Finding the Fourth Proportional to 319,189.24, 478,636.66 and 94,469.32

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Solution

The fourth proportional to 319,189.24, 478,636.66 and 94,469.32 is: 141,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,189.24 : 478,636.66 = 94,469.32 : x
  2. Step 2: Convert to fraction form
    319,189.24/478,636.66 = 94,469.32/x
  3. Step 3: Cross multiply
    319,189.24x = 478,636.66 × 94,469.32
  4. Step 4: Simplify right side
    319,189.24x = 45,216,479,797.27
  5. Step 5: Solve for x
    x = 45,216,479,797.27/319,189.24
  6. Step 6: Final answer
    x = 141,660.41

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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.