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Finding the Fourth Proportional to 347,772.42, 521,641.44 and 203,759.82

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Solution

The fourth proportional to 347,772.42, 521,641.44 and 203,759.82 is: 305,629.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,772.42 : 521,641.44 = 203,759.82 : x
  2. Step 2: Convert to fraction form
    347,772.42/521,641.44 = 203,759.82/x
  3. Step 3: Cross multiply
    347,772.42x = 521,641.44 × 203,759.82
  4. Step 4: Simplify right side
    347,772.42x = 106,289,565,918.94
  5. Step 5: Solve for x
    x = 106,289,565,918.94/347,772.42
  6. Step 6: Final answer
    x = 305,629.66

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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.