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Finding the Fourth Proportional to 298,745.69, 412,279.47 and 162,790.83

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Solution

The fourth proportional to 298,745.69, 412,279.47 and 162,790.83 is: 224,657.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,745.69 : 412,279.47 = 162,790.83 : x
  2. Step 2: Convert to fraction form
    298,745.69/412,279.47 = 162,790.83/x
  3. Step 3: Cross multiply
    298,745.69x = 412,279.47 × 162,790.83
  4. Step 4: Simplify right side
    298,745.69x = 67,115,317,113.26
  5. Step 5: Solve for x
    x = 67,115,317,113.26/298,745.69
  6. Step 6: Final answer
    x = 224,657.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.