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Finding the Fourth Proportional to 606,828.60, 910,607.40 and 251,805.60

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Solution

The fourth proportional to 606,828.60, 910,607.40 and 251,805.60 is: 377,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,828.60 : 910,607.40 = 251,805.60 : x
  2. Step 2: Convert to fraction form
    606,828.60/910,607.40 = 251,805.60/x
  3. Step 3: Cross multiply
    606,828.60x = 910,607.40 × 251,805.60
  4. Step 4: Simplify right side
    606,828.60x = 229,296,042,721.44
  5. Step 5: Solve for x
    x = 229,296,042,721.44/606,828.60
  6. Step 6: Final answer
    x = 377,859.65

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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.