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Finding the Fourth Proportional to 560,749.60, 773,824.50 and 319,026.97

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Solution

The fourth proportional to 560,749.60, 773,824.50 and 319,026.97 is: 440,251.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,749.60 : 773,824.50 = 319,026.97 : x
  2. Step 2: Convert to fraction form
    560,749.60/773,824.50 = 319,026.97/x
  3. Step 3: Cross multiply
    560,749.60x = 773,824.50 × 319,026.97
  4. Step 4: Simplify right side
    560,749.60x = 246,870,885,546.77
  5. Step 5: Solve for x
    x = 246,870,885,546.77/560,749.60
  6. Step 6: Final answer
    x = 440,251.56

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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.