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Finding the Fourth Proportional to 377,238.88, 520,546.01 and 216,084.32

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Solution

The fourth proportional to 377,238.88, 520,546.01 and 216,084.32 is: 298,171.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,238.88 : 520,546.01 = 216,084.32 : x
  2. Step 2: Convert to fraction form
    377,238.88/520,546.01 = 216,084.32/x
  3. Step 3: Cross multiply
    377,238.88x = 520,546.01 × 216,084.32
  4. Step 4: Simplify right side
    377,238.88x = 112,481,830,599.56
  5. Step 5: Solve for x
    x = 112,481,830,599.56/377,238.88
  6. Step 6: Final answer
    x = 298,171.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.