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Finding the Fourth Proportional to 559,206.88, 771,709.44 and 304,552.96

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Solution

The fourth proportional to 559,206.88, 771,709.44 and 304,552.96 is: 420,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,206.88 : 771,709.44 = 304,552.96 : x
  2. Step 2: Convert to fraction form
    559,206.88/771,709.44 = 304,552.96/x
  3. Step 3: Cross multiply
    559,206.88x = 771,709.44 × 304,552.96
  4. Step 4: Simplify right side
    559,206.88x = 235,026,394,211.94
  5. Step 5: Solve for x
    x = 235,026,394,211.94/559,206.88
  6. Step 6: Final answer
    x = 420,285.23

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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.