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Finding the Fourth Proportional to 606,919.40, 910,051.05 and 251,969.30

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Solution

The fourth proportional to 606,919.40, 910,051.05 and 251,969.30 is: 377,817.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,919.40 : 910,051.05 = 251,969.30 : x
  2. Step 2: Convert to fraction form
    606,919.40/910,051.05 = 251,969.30/x
  3. Step 3: Cross multiply
    606,919.40x = 910,051.05 × 251,969.30
  4. Step 4: Simplify right side
    606,919.40x = 229,304,926,032.77
  5. Step 5: Solve for x
    x = 229,304,926,032.77/606,919.40
  6. Step 6: Final answer
    x = 377,817.76

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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.