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Finding the Fourth Proportional to 300,712.72, 414,983.53 and 164,751.49

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Solution

The fourth proportional to 300,712.72, 414,983.53 and 164,751.49 is: 227,357.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,712.72 : 414,983.53 = 164,751.49 : x
  2. Step 2: Convert to fraction form
    300,712.72/414,983.53 = 164,751.49/x
  3. Step 3: Cross multiply
    300,712.72x = 414,983.53 × 164,751.49
  4. Step 4: Simplify right side
    300,712.72x = 68,369,154,892.96
  5. Step 5: Solve for x
    x = 68,369,154,892.96/300,712.72
  6. Step 6: Final answer
    x = 227,357.04

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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.