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Finding the Fourth Proportional to 336,578.20, 504,616.20 and 203,430.40

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Solution

The fourth proportional to 336,578.20, 504,616.20 and 203,430.40 is: 304,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,578.20 : 504,616.20 = 203,430.40 : x
  2. Step 2: Convert to fraction form
    336,578.20/504,616.20 = 203,430.40/x
  3. Step 3: Cross multiply
    336,578.20x = 504,616.20 × 203,430.40
  4. Step 4: Simplify right side
    336,578.20x = 102,654,275,412.48
  5. Step 5: Solve for x
    x = 102,654,275,412.48/336,578.20
  6. Step 6: Final answer
    x = 304,993.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.