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Finding the Fourth Proportional to 606,919.90, 910,051.80 and 251,969.80

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Solution

The fourth proportional to 606,919.90, 910,051.80 and 251,969.80 is: 377,818.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,919.90 : 910,051.80 = 251,969.80 : x
  2. Step 2: Convert to fraction form
    606,919.90/910,051.80 = 251,969.80/x
  3. Step 3: Cross multiply
    606,919.90x = 910,051.80 × 251,969.80
  4. Step 4: Simplify right side
    606,919.90x = 229,305,570,035.64
  5. Step 5: Solve for x
    x = 229,305,570,035.64/606,919.90
  6. Step 6: Final answer
    x = 377,818.51

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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.