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Finding the Fourth Proportional to 372,636.86, 558,955.55 and 119,917.30

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Solution

The fourth proportional to 372,636.86, 558,955.55 and 119,917.30 is: 179,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,636.86 : 558,955.55 = 119,917.30 : x
  2. Step 2: Convert to fraction form
    372,636.86/558,955.55 = 119,917.30/x
  3. Step 3: Cross multiply
    372,636.86x = 558,955.55 × 119,917.30
  4. Step 4: Simplify right side
    372,636.86x = 67,028,440,376.02
  5. Step 5: Solve for x
    x = 67,028,440,376.02/372,636.86
  6. Step 6: Final answer
    x = 179,876.03

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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.