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Finding the Fourth Proportional to 606,929.10, 910,758.15 and 251,906.10

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Solution

The fourth proportional to 606,929.10, 910,758.15 and 251,906.10 is: 378,010.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,929.10 : 910,758.15 = 251,906.10 : x
  2. Step 2: Convert to fraction form
    606,929.10/910,758.15 = 251,906.10/x
  3. Step 3: Cross multiply
    606,929.10x = 910,758.15 × 251,906.10
  4. Step 4: Simplify right side
    606,929.10x = 229,425,533,609.72
  5. Step 5: Solve for x
    x = 229,425,533,609.72/606,929.10
  6. Step 6: Final answer
    x = 378,010.44

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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.