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Finding the Fourth Proportional to 559,809.78, 839,552.00 and 218,177.17

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Solution

The fourth proportional to 559,809.78, 839,552.00 and 218,177.17 is: 327,202.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,809.78 : 839,552.00 = 218,177.17 : x
  2. Step 2: Convert to fraction form
    559,809.78/839,552.00 = 218,177.17/x
  3. Step 3: Cross multiply
    559,809.78x = 839,552.00 × 218,177.17
  4. Step 4: Simplify right side
    559,809.78x = 183,171,082,141.17
  5. Step 5: Solve for x
    x = 183,171,082,141.17/559,809.78
  6. Step 6: Final answer
    x = 327,202.36

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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.