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Finding the Fourth Proportional to 303,535.23, 418,879.20 and 167,569.35

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Solution

The fourth proportional to 303,535.23, 418,879.20 and 167,569.35 is: 231,246.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,535.23 : 418,879.20 = 167,569.35 : x
  2. Step 2: Convert to fraction form
    303,535.23/418,879.20 = 167,569.35/x
  3. Step 3: Cross multiply
    303,535.23x = 418,879.20 × 167,569.35
  4. Step 4: Simplify right side
    303,535.23x = 70,191,315,272.52
  5. Step 5: Solve for x
    x = 70,191,315,272.52/303,535.23
  6. Step 6: Final answer
    x = 231,246.02

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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.