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Finding the Fourth Proportional to 493,605.74, 740,408.61 and 119,628.74

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Solution

The fourth proportional to 493,605.74, 740,408.61 and 119,628.74 is: 179,443.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,605.74 : 740,408.61 = 119,628.74 : x
  2. Step 2: Convert to fraction form
    493,605.74/740,408.61 = 119,628.74/x
  3. Step 3: Cross multiply
    493,605.74x = 740,408.61 × 119,628.74
  4. Step 4: Simplify right side
    493,605.74x = 88,574,149,099.45
  5. Step 5: Solve for x
    x = 88,574,149,099.45/493,605.74
  6. Step 6: Final answer
    x = 179,443.11

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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.