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Finding the Fourth Proportional to 303,400.86, 418,675.12 and 167,447.62

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Solution

The fourth proportional to 303,400.86, 418,675.12 and 167,447.62 is: 231,067.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,400.86 : 418,675.12 = 167,447.62 : x
  2. Step 2: Convert to fraction form
    303,400.86/418,675.12 = 167,447.62/x
  3. Step 3: Cross multiply
    303,400.86x = 418,675.12 × 167,447.62
  4. Step 4: Simplify right side
    303,400.86x = 70,106,152,397.21
  5. Step 5: Solve for x
    x = 70,106,152,397.21/303,400.86
  6. Step 6: Final answer
    x = 231,067.74

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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.