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Finding the Fourth Proportional to 303,629, 419,008.02 and 169,493

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Solution

The fourth proportional to 303,629, 419,008.02 and 169,493 is: 233,900.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,629 : 419,008.02 = 169,493 : x
  2. Step 2: Convert to fraction form
    303,629/419,008.02 = 169,493/x
  3. Step 3: Cross multiply
    303,629x = 419,008.02 × 169,493
  4. Step 4: Simplify right side
    303,629x = 71,018,926,333.86
  5. Step 5: Solve for x
    x = 71,018,926,333.86/303,629
  6. Step 6: Final answer
    x = 233,900.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.