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Finding the Fourth Proportional to 454,891.36, 680,917.10 and 335,083.36

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Solution

The fourth proportional to 454,891.36, 680,917.10 and 335,083.36 is: 501,579.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,891.36 : 680,917.10 = 335,083.36 : x
  2. Step 2: Convert to fraction form
    454,891.36/680,917.10 = 335,083.36/x
  3. Step 3: Cross multiply
    454,891.36x = 680,917.10 × 335,083.36
  4. Step 4: Simplify right side
    454,891.36x = 228,163,989,749.46
  5. Step 5: Solve for x
    x = 228,163,989,749.46/454,891.36
  6. Step 6: Final answer
    x = 501,579.08

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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.