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Finding the Fourth Proportional to 319,634.76, 479,510.48 and 159,794.24

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Solution

The fourth proportional to 319,634.76, 479,510.48 and 159,794.24 is: 239,720.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,634.76 : 479,510.48 = 159,794.24 : x
  2. Step 2: Convert to fraction form
    319,634.76/479,510.48 = 159,794.24/x
  3. Step 3: Cross multiply
    319,634.76x = 479,510.48 × 159,794.24
  4. Step 4: Simplify right side
    319,634.76x = 76,623,012,723.64
  5. Step 5: Solve for x
    x = 76,623,012,723.64/319,634.76
  6. Step 6: Final answer
    x = 239,720.53

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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.