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Finding the Fourth Proportional to 591,275.20, 885,892.20 and 275,083.60

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Solution

The fourth proportional to 591,275.20, 885,892.20 and 275,083.60 is: 412,150.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,275.20 : 885,892.20 = 275,083.60 : x
  2. Step 2: Convert to fraction form
    591,275.20/885,892.20 = 275,083.60/x
  3. Step 3: Cross multiply
    591,275.20x = 885,892.20 × 275,083.60
  4. Step 4: Simplify right side
    591,275.20x = 243,694,415,587.92
  5. Step 5: Solve for x
    x = 243,694,415,587.92/591,275.20
  6. Step 6: Final answer
    x = 412,150.58

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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.