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Finding the Fourth Proportional to 493,603.54, 740,405.27 and 119,626.54

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Solution

The fourth proportional to 493,603.54, 740,405.27 and 119,626.54 is: 179,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,603.54 : 740,405.27 = 119,626.54 : x
  2. Step 2: Convert to fraction form
    493,603.54/740,405.27 = 119,626.54/x
  3. Step 3: Cross multiply
    493,603.54x = 740,405.27 × 119,626.54
  4. Step 4: Simplify right side
    493,603.54x = 88,572,119,095.92
  5. Step 5: Solve for x
    x = 88,572,119,095.92/493,603.54
  6. Step 6: Final answer
    x = 179,439.80

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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.