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Finding the Fourth Proportional to 373,830.07, 560,606.60 and 133,906.61

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Solution

The fourth proportional to 373,830.07, 560,606.60 and 133,906.61 is: 200,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,830.07 : 560,606.60 = 133,906.61 : x
  2. Step 2: Convert to fraction form
    373,830.07/560,606.60 = 133,906.61/x
  3. Step 3: Cross multiply
    373,830.07x = 560,606.60 × 133,906.61
  4. Step 4: Simplify right side
    373,830.07x = 75,068,929,349.63
  5. Step 5: Solve for x
    x = 75,068,929,349.63/373,830.07
  6. Step 6: Final answer
    x = 200,810.30

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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.