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Finding the Fourth Proportional to 303,365.92, 418,644.90 and 169,229.92

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Solution

The fourth proportional to 303,365.92, 418,644.90 and 169,229.92 is: 233,537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,365.92 : 418,644.90 = 169,229.92 : x
  2. Step 2: Convert to fraction form
    303,365.92/418,644.90 = 169,229.92/x
  3. Step 3: Cross multiply
    303,365.92x = 418,644.90 × 169,229.92
  4. Step 4: Simplify right side
    303,365.92x = 70,847,242,935.41
  5. Step 5: Solve for x
    x = 70,847,242,935.41/303,365.92
  6. Step 6: Final answer
    x = 233,537.25

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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.