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Finding the Fourth Proportional to 300,725.58, 415,001.07 and 164,768.01

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Solution

The fourth proportional to 300,725.58, 415,001.07 and 164,768.01 is: 227,379.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,725.58 : 415,001.07 = 164,768.01 : x
  2. Step 2: Convert to fraction form
    300,725.58/415,001.07 = 164,768.01/x
  3. Step 3: Cross multiply
    300,725.58x = 415,001.07 × 164,768.01
  4. Step 4: Simplify right side
    300,725.58x = 68,378,900,451.77
  5. Step 5: Solve for x
    x = 68,378,900,451.77/300,725.58
  6. Step 6: Final answer
    x = 227,379.73

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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.