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Finding the Fourth Proportional to 387,003.52, 580,357.66 and 184,563.86

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Solution

The fourth proportional to 387,003.52, 580,357.66 and 184,563.86 is: 276,775.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,003.52 : 580,357.66 = 184,563.86 : x
  2. Step 2: Convert to fraction form
    387,003.52/580,357.66 = 184,563.86/x
  3. Step 3: Cross multiply
    387,003.52x = 580,357.66 × 184,563.86
  4. Step 4: Simplify right side
    387,003.52x = 107,113,050,899.65
  5. Step 5: Solve for x
    x = 107,113,050,899.65/387,003.52
  6. Step 6: Final answer
    x = 276,775.39

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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.