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Finding the Fourth Proportional to 606,979.20, 910,578.15 and 252,029.10

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Solution

The fourth proportional to 606,979.20, 910,578.15 and 252,029.10 is: 378,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,979.20 : 910,578.15 = 252,029.10 : x
  2. Step 2: Convert to fraction form
    606,979.20/910,578.15 = 252,029.10/x
  3. Step 3: Cross multiply
    606,979.20x = 910,578.15 × 252,029.10
  4. Step 4: Simplify right side
    606,979.20x = 229,492,191,624.17
  5. Step 5: Solve for x
    x = 229,492,191,624.17/606,979.20
  6. Step 6: Final answer
    x = 378,089.05

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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.