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Finding the Fourth Proportional to 587,091.74, 880,360.05 and 227,431.05

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Solution

The fourth proportional to 587,091.74, 880,360.05 and 227,431.05 is: 341,039.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,091.74 : 880,360.05 = 227,431.05 : x
  2. Step 2: Convert to fraction form
    587,091.74/880,360.05 = 227,431.05/x
  3. Step 3: Cross multiply
    587,091.74x = 880,360.05 × 227,431.05
  4. Step 4: Simplify right side
    587,091.74x = 200,221,212,998.04
  5. Step 5: Solve for x
    x = 200,221,212,998.04/587,091.74
  6. Step 6: Final answer
    x = 341,039.05

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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.