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Finding the Fourth Proportional to 548,082.01, 756,143.20 and 333,143.65

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Solution

The fourth proportional to 548,082.01, 756,143.20 and 333,143.65 is: 459,610.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,082.01 : 756,143.20 = 333,143.65 : x
  2. Step 2: Convert to fraction form
    548,082.01/756,143.20 = 333,143.65/x
  3. Step 3: Cross multiply
    548,082.01x = 756,143.20 × 333,143.65
  4. Step 4: Simplify right side
    548,082.01x = 251,904,305,570.68
  5. Step 5: Solve for x
    x = 251,904,305,570.68/548,082.01
  6. Step 6: Final answer
    x = 459,610.61

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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.