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Finding the Fourth Proportional to 548,223.02, 822,411.83 and 169,174.61

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Solution

The fourth proportional to 548,223.02, 822,411.83 and 169,174.61 is: 253,785.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,223.02 : 822,411.83 = 169,174.61 : x
  2. Step 2: Convert to fraction form
    548,223.02/822,411.83 = 169,174.61/x
  3. Step 3: Cross multiply
    548,223.02x = 822,411.83 × 169,174.61
  4. Step 4: Simplify right side
    548,223.02x = 139,131,199,677.36
  5. Step 5: Solve for x
    x = 139,131,199,677.36/548,223.02
  6. Step 6: Final answer
    x = 253,785.77

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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.