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Finding the Fourth Proportional to 482,257.55, 723,238.57 and 333,454.07

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Solution

The fourth proportional to 482,257.55, 723,238.57 and 333,454.07 is: 500,078.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,257.55 : 723,238.57 = 333,454.07 : x
  2. Step 2: Convert to fraction form
    482,257.55/723,238.57 = 333,454.07/x
  3. Step 3: Cross multiply
    482,257.55x = 723,238.57 × 333,454.07
  4. Step 4: Simplify right side
    482,257.55x = 241,166,844,747.48
  5. Step 5: Solve for x
    x = 241,166,844,747.48/482,257.55
  6. Step 6: Final answer
    x = 500,078.94

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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.