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Finding the Fourth Proportional to 303,484.92, 418,809.21 and 167,518.90

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Solution

The fourth proportional to 303,484.92, 418,809.21 and 167,518.90 is: 231,176.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,484.92 : 418,809.21 = 167,518.90 : x
  2. Step 2: Convert to fraction form
    303,484.92/418,809.21 = 167,518.90/x
  3. Step 3: Cross multiply
    303,484.92x = 418,809.21 × 167,518.90
  4. Step 4: Simplify right side
    303,484.92x = 70,158,458,169.07
  5. Step 5: Solve for x
    x = 70,158,458,169.07/303,484.92
  6. Step 6: Final answer
    x = 231,176.09

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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.