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Finding the Fourth Proportional to 338,998.41, 467,783.73 and 203,028.87

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Solution

The fourth proportional to 338,998.41, 467,783.73 and 203,028.87 is: 280,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,998.41 : 467,783.73 = 203,028.87 : x
  2. Step 2: Convert to fraction form
    338,998.41/467,783.73 = 203,028.87/x
  3. Step 3: Cross multiply
    338,998.41x = 467,783.73 × 203,028.87
  4. Step 4: Simplify right side
    338,998.41x = 94,973,602,106.29
  5. Step 5: Solve for x
    x = 94,973,602,106.29/338,998.41
  6. Step 6: Final answer
    x = 280,159.43

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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.