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Finding the Fourth Proportional to 559,372.80, 839,180.70 and 204,386.26

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Solution

The fourth proportional to 559,372.80, 839,180.70 and 204,386.26 is: 306,623.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,372.80 : 839,180.70 = 204,386.26 : x
  2. Step 2: Convert to fraction form
    559,372.80/839,180.70 = 204,386.26/x
  3. Step 3: Cross multiply
    559,372.80x = 839,180.70 × 204,386.26
  4. Step 4: Simplify right side
    559,372.80x = 171,517,004,737.18
  5. Step 5: Solve for x
    x = 171,517,004,737.18/559,372.80
  6. Step 6: Final answer
    x = 306,623.78

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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.