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Finding the Fourth Proportional to 453,524.67, 680,261.90 and 137,956.77

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Solution

The fourth proportional to 453,524.67, 680,261.90 and 137,956.77 is: 206,927.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,524.67 : 680,261.90 = 137,956.77 : x
  2. Step 2: Convert to fraction form
    453,524.67/680,261.90 = 137,956.77/x
  3. Step 3: Cross multiply
    453,524.67x = 680,261.90 × 137,956.77
  4. Step 4: Simplify right side
    453,524.67x = 93,846,733,788.28
  5. Step 5: Solve for x
    x = 93,846,733,788.28/453,524.67
  6. Step 6: Final answer
    x = 206,927.52

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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.