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Finding the Fourth Proportional to 618,827.06, 928,241.31 and 169,551.74

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Solution

The fourth proportional to 618,827.06, 928,241.31 and 169,551.74 is: 254,327.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,827.06 : 928,241.31 = 169,551.74 : x
  2. Step 2: Convert to fraction form
    618,827.06/928,241.31 = 169,551.74/x
  3. Step 3: Cross multiply
    618,827.06x = 928,241.31 × 169,551.74
  4. Step 4: Simplify right side
    618,827.06x = 157,384,929,250.38
  5. Step 5: Solve for x
    x = 157,384,929,250.38/618,827.06
  6. Step 6: Final answer
    x = 254,327.81

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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.