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Finding the Fourth Proportional to 298,879.18, 412,440.86 and 162,910.14

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Solution

The fourth proportional to 298,879.18, 412,440.86 and 162,910.14 is: 224,809.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,879.18 : 412,440.86 = 162,910.14 : x
  2. Step 2: Convert to fraction form
    298,879.18/412,440.86 = 162,910.14/x
  3. Step 3: Cross multiply
    298,879.18x = 412,440.86 × 162,910.14
  4. Step 4: Simplify right side
    298,879.18x = 67,190,799,714.92
  5. Step 5: Solve for x
    x = 67,190,799,714.92/298,879.18
  6. Step 6: Final answer
    x = 224,809.24

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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.