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Finding the Fourth Proportional to 610,795.11, 842,998.43 and 338,950.32

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Solution

The fourth proportional to 610,795.11, 842,998.43 and 338,950.32 is: 467,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,795.11 : 842,998.43 = 338,950.32 : x
  2. Step 2: Convert to fraction form
    610,795.11/842,998.43 = 338,950.32/x
  3. Step 3: Cross multiply
    610,795.11x = 842,998.43 × 338,950.32
  4. Step 4: Simplify right side
    610,795.11x = 285,734,587,608.00
  5. Step 5: Solve for x
    x = 285,734,587,608.00/610,795.11
  6. Step 6: Final answer
    x = 467,807.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.