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Finding the Fourth Proportional to 298,809.56, 412,357.20 and 164,673.56

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Solution

The fourth proportional to 298,809.56, 412,357.20 and 164,673.56 is: 227,249.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,809.56 : 412,357.20 = 164,673.56 : x
  2. Step 2: Convert to fraction form
    298,809.56/412,357.20 = 164,673.56/x
  3. Step 3: Cross multiply
    298,809.56x = 412,357.20 × 164,673.56
  4. Step 4: Simplify right side
    298,809.56x = 67,904,328,529.00
  5. Step 5: Solve for x
    x = 67,904,328,529.00/298,809.56
  6. Step 6: Final answer
    x = 227,249.52

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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.