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Finding the Fourth Proportional to 548,549.18, 822,902.46 and 169,503

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Solution

The fourth proportional to 548,549.18, 822,902.46 and 169,503 is: 254,278.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,549.18 : 822,902.46 = 169,503 : x
  2. Step 2: Convert to fraction form
    548,549.18/822,902.46 = 169,503/x
  3. Step 3: Cross multiply
    548,549.18x = 822,902.46 × 169,503
  4. Step 4: Simplify right side
    548,549.18x = 139,484,435,677.38
  5. Step 5: Solve for x
    x = 139,484,435,677.38/548,549.18
  6. Step 6: Final answer
    x = 254,278.82

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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.