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Finding the Fourth Proportional to 650,419.36, 975,908.22 and 251,340.46

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Solution

The fourth proportional to 650,419.36, 975,908.22 and 251,340.46 is: 377,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,419.36 : 975,908.22 = 251,340.46 : x
  2. Step 2: Convert to fraction form
    650,419.36/975,908.22 = 251,340.46/x
  3. Step 3: Cross multiply
    650,419.36x = 975,908.22 × 251,340.46
  4. Step 4: Simplify right side
    650,419.36x = 245,285,217,550.28
  5. Step 5: Solve for x
    x = 245,285,217,550.28/650,419.36
  6. Step 6: Final answer
    x = 377,118.57

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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.