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Finding the Fourth Proportional to 407,380.87, 561,795.06 and 244,011.27

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Solution

The fourth proportional to 407,380.87, 561,795.06 and 244,011.27 is: 336,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,380.87 : 561,795.06 = 244,011.27 : x
  2. Step 2: Convert to fraction form
    407,380.87/561,795.06 = 244,011.27/x
  3. Step 3: Cross multiply
    407,380.87x = 561,795.06 × 244,011.27
  4. Step 4: Simplify right side
    407,380.87x = 137,084,326,070.33
  5. Step 5: Solve for x
    x = 137,084,326,070.33/407,380.87
  6. Step 6: Final answer
    x = 336,501.63

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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.