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Finding the Fourth Proportional to 373,562.91, 515,515.67 and 203,795.82

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Solution

The fourth proportional to 373,562.91, 515,515.67 and 203,795.82 is: 281,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,562.91 : 515,515.67 = 203,795.82 : x
  2. Step 2: Convert to fraction form
    373,562.91/515,515.67 = 203,795.82/x
  3. Step 3: Cross multiply
    373,562.91x = 515,515.67 × 203,795.82
  4. Step 4: Simplify right side
    373,562.91x = 105,059,937,671.52
  5. Step 5: Solve for x
    x = 105,059,937,671.52/373,562.91
  6. Step 6: Final answer
    x = 281,237.60

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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.