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Finding the Fourth Proportional to 304,218.91, 419,805.57 and 168,244.92

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Solution

The fourth proportional to 304,218.91, 419,805.57 and 168,244.92 is: 232,168.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,218.91 : 419,805.57 = 168,244.92 : x
  2. Step 2: Convert to fraction form
    304,218.91/419,805.57 = 168,244.92/x
  3. Step 3: Cross multiply
    304,218.91x = 419,805.57 × 168,244.92
  4. Step 4: Simplify right side
    304,218.91x = 70,630,154,540.20
  5. Step 5: Solve for x
    x = 70,630,154,540.20/304,218.91
  6. Step 6: Final answer
    x = 232,168.85

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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.