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Finding the Fourth Proportional to 504,260.16, 695,869.62 and 274,819.20

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Solution

The fourth proportional to 504,260.16, 695,869.62 and 274,819.20 is: 379,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,260.16 : 695,869.62 = 274,819.20 : x
  2. Step 2: Convert to fraction form
    504,260.16/695,869.62 = 274,819.20/x
  3. Step 3: Cross multiply
    504,260.16x = 695,869.62 × 274,819.20
  4. Step 4: Simplify right side
    504,260.16x = 191,238,332,272.70
  5. Step 5: Solve for x
    x = 191,238,332,272.70/504,260.16
  6. Step 6: Final answer
    x = 379,245.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.