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Finding the Fourth Proportional to 303,458.91, 418,773.29 and 169,322.91

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Solution

The fourth proportional to 303,458.91, 418,773.29 and 169,322.91 is: 233,665.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,458.91 : 418,773.29 = 169,322.91 : x
  2. Step 2: Convert to fraction form
    303,458.91/418,773.29 = 169,322.91/x
  3. Step 3: Cross multiply
    303,458.91x = 418,773.29 × 169,322.91
  4. Step 4: Simplify right side
    303,458.91x = 70,907,910,628.50
  5. Step 5: Solve for x
    x = 70,907,910,628.50/303,458.91
  6. Step 6: Final answer
    x = 233,665.61

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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.