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Finding the Fourth Proportional to 548,667.52, 757,182.72 and 322,311.04

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Solution

The fourth proportional to 548,667.52, 757,182.72 and 322,311.04 is: 444,801.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,667.52 : 757,182.72 = 322,311.04 : x
  2. Step 2: Convert to fraction form
    548,667.52/757,182.72 = 322,311.04/x
  3. Step 3: Cross multiply
    548,667.52x = 757,182.72 × 322,311.04
  4. Step 4: Simplify right side
    548,667.52x = 244,048,349,953.23
  5. Step 5: Solve for x
    x = 244,048,349,953.23/548,667.52
  6. Step 6: Final answer
    x = 444,801.89

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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.