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Finding the Fourth Proportional to 300,848.32, 415,170.80 and 164,887.68

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Solution

The fourth proportional to 300,848.32, 415,170.80 and 164,887.68 is: 227,545.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,848.32 : 415,170.80 = 164,887.68 : x
  2. Step 2: Convert to fraction form
    300,848.32/415,170.80 = 164,887.68/x
  3. Step 3: Cross multiply
    300,848.32x = 415,170.80 × 164,887.68
  4. Step 4: Simplify right side
    300,848.32x = 68,456,550,015.74
  5. Step 5: Solve for x
    x = 68,456,550,015.74/300,848.32
  6. Step 6: Final answer
    x = 227,545.06

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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.