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Finding the Fourth Proportional to 528,223.80, 792,335.70 and 482,604.60

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Solution

The fourth proportional to 528,223.80, 792,335.70 and 482,604.60 is: 723,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,223.80 : 792,335.70 = 482,604.60 : x
  2. Step 2: Convert to fraction form
    528,223.80/792,335.70 = 482,604.60/x
  3. Step 3: Cross multiply
    528,223.80x = 792,335.70 × 482,604.60
  4. Step 4: Simplify right side
    528,223.80x = 382,384,853,564.22
  5. Step 5: Solve for x
    x = 382,384,853,564.22/528,223.80
  6. Step 6: Final answer
    x = 723,906.90

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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.