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Finding the Fourth Proportional to 400,174.65, 600,293.57 and 133,936.16

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Solution

The fourth proportional to 400,174.65, 600,293.57 and 133,936.16 is: 200,914.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,174.65 : 600,293.57 = 133,936.16 : x
  2. Step 2: Convert to fraction form
    400,174.65/600,293.57 = 133,936.16/x
  3. Step 3: Cross multiply
    400,174.65x = 600,293.57 × 133,936.16
  4. Step 4: Simplify right side
    400,174.65x = 80,401,011,967.34
  5. Step 5: Solve for x
    x = 80,401,011,967.34/400,174.65
  6. Step 6: Final answer
    x = 200,914.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.