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Finding the Fourth Proportional to 548,299.96, 822,461.22 and 169,220.95

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Solution

The fourth proportional to 548,299.96, 822,461.22 and 169,220.95 is: 253,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,299.96 : 822,461.22 = 169,220.95 : x
  2. Step 2: Convert to fraction form
    548,299.96/822,461.22 = 169,220.95/x
  3. Step 3: Cross multiply
    548,299.96x = 822,461.22 × 169,220.95
  4. Step 4: Simplify right side
    548,299.96x = 139,177,666,454.47
  5. Step 5: Solve for x
    x = 139,177,666,454.47/548,299.96
  6. Step 6: Final answer
    x = 253,834.90

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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.