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Finding the Fourth Proportional to 548,468.96, 822,721.68 and 188,636.24

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Solution

The fourth proportional to 548,468.96, 822,721.68 and 188,636.24 is: 282,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,468.96 : 822,721.68 = 188,636.24 : x
  2. Step 2: Convert to fraction form
    548,468.96/822,721.68 = 188,636.24/x
  3. Step 3: Cross multiply
    548,468.96x = 822,721.68 × 188,636.24
  4. Step 4: Simplify right side
    548,468.96x = 155,195,124,281.68
  5. Step 5: Solve for x
    x = 155,195,124,281.68/548,468.96
  6. Step 6: Final answer
    x = 282,960.63

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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.