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Finding the Fourth Proportional to 340,885.27, 511,327.89 and 104,227.93

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Solution

The fourth proportional to 340,885.27, 511,327.89 and 104,227.93 is: 156,341.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,885.27 : 511,327.89 = 104,227.93 : x
  2. Step 2: Convert to fraction form
    340,885.27/511,327.89 = 104,227.93/x
  3. Step 3: Cross multiply
    340,885.27x = 511,327.89 × 104,227.93
  4. Step 4: Simplify right side
    340,885.27x = 53,294,647,525.97
  5. Step 5: Solve for x
    x = 53,294,647,525.97/340,885.27
  6. Step 6: Final answer
    x = 156,341.89

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1.5x scale

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.