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Finding the Fourth Proportional to 493,701.24, 740,551.86 and 119,721

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Solution

The fourth proportional to 493,701.24, 740,551.86 and 119,721 is: 179,581.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,701.24 : 740,551.86 = 119,721 : x
  2. Step 2: Convert to fraction form
    493,701.24/740,551.86 = 119,721/x
  3. Step 3: Cross multiply
    493,701.24x = 740,551.86 × 119,721
  4. Step 4: Simplify right side
    493,701.24x = 88,659,609,231.06
  5. Step 5: Solve for x
    x = 88,659,609,231.06/493,701.24
  6. Step 6: Final answer
    x = 179,581.50

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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.