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Finding the Fourth Proportional to 590,255.20, 885,843.60 and 274,751.20

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Solution

The fourth proportional to 590,255.20, 885,843.60 and 274,751.20 is: 412,341.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,255.20 : 885,843.60 = 274,751.20 : x
  2. Step 2: Convert to fraction form
    590,255.20/885,843.60 = 274,751.20/x
  3. Step 3: Cross multiply
    590,255.20x = 885,843.60 × 274,751.20
  4. Step 4: Simplify right side
    590,255.20x = 243,386,592,112.32
  5. Step 5: Solve for x
    x = 243,386,592,112.32/590,255.20
  6. Step 6: Final answer
    x = 412,341.29

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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.