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Finding the Fourth Proportional to 304,499.52, 420,210.20 and 168,542.92

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Solution

The fourth proportional to 304,499.52, 420,210.20 and 168,542.92 is: 232,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,499.52 : 420,210.20 = 168,542.92 : x
  2. Step 2: Convert to fraction form
    304,499.52/420,210.20 = 168,542.92/x
  3. Step 3: Cross multiply
    304,499.52x = 420,210.20 × 168,542.92
  4. Step 4: Simplify right side
    304,499.52x = 70,823,454,121.78
  5. Step 5: Solve for x
    x = 70,823,454,121.78/304,499.52
  6. Step 6: Final answer
    x = 232,589.71

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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.