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Finding the Fourth Proportional to 548,391.02, 822,280.88 and 169,204.10

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Solution

The fourth proportional to 548,391.02, 822,280.88 and 169,204.10 is: 253,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,391.02 : 822,280.88 = 169,204.10 : x
  2. Step 2: Convert to fraction form
    548,391.02/822,280.88 = 169,204.10/x
  3. Step 3: Cross multiply
    548,391.02x = 822,280.88 × 169,204.10
  4. Step 4: Simplify right side
    548,391.02x = 139,133,296,247.61
  5. Step 5: Solve for x
    x = 139,133,296,247.61/548,391.02
  6. Step 6: Final answer
    x = 253,711.84

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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.