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Finding the Fourth Proportional to 373,872.59, 515,941.54 and 204,106.71

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Solution

The fourth proportional to 373,872.59, 515,941.54 and 204,106.71 is: 281,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,872.59 : 515,941.54 = 204,106.71 : x
  2. Step 2: Convert to fraction form
    373,872.59/515,941.54 = 204,106.71/x
  3. Step 3: Cross multiply
    373,872.59x = 515,941.54 × 204,106.71
  4. Step 4: Simplify right side
    373,872.59x = 105,307,129,771.47
  5. Step 5: Solve for x
    x = 105,307,129,771.47/373,872.59
  6. Step 6: Final answer
    x = 281,665.82

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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.