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Finding the Fourth Proportional to 327,641.44, 491,461.80 and 103,021.52

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Solution

The fourth proportional to 327,641.44, 491,461.80 and 103,021.52 is: 154,532.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,641.44 : 491,461.80 = 103,021.52 : x
  2. Step 2: Convert to fraction form
    327,641.44/491,461.80 = 103,021.52/x
  3. Step 3: Cross multiply
    327,641.44x = 491,461.80 × 103,021.52
  4. Step 4: Simplify right side
    327,641.44x = 50,631,141,657.94
  5. Step 5: Solve for x
    x = 50,631,141,657.94/327,641.44
  6. Step 6: Final answer
    x = 154,532.17

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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.