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Finding the Fourth Proportional to 372,796.86, 558,642.32 and 273,817.02

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Solution

The fourth proportional to 372,796.86, 558,642.32 and 273,817.02 is: 410,319.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,796.86 : 558,642.32 = 273,817.02 : x
  2. Step 2: Convert to fraction form
    372,796.86/558,642.32 = 273,817.02/x
  3. Step 3: Cross multiply
    372,796.86x = 558,642.32 × 273,817.02
  4. Step 4: Simplify right side
    372,796.86x = 152,965,775,308.29
  5. Step 5: Solve for x
    x = 152,965,775,308.29/372,796.86
  6. Step 6: Final answer
    x = 410,319.38

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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.