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Finding the Fourth Proportional to 560,300.58, 773,213.19 and 305,649.95

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Solution

The fourth proportional to 560,300.58, 773,213.19 and 305,649.95 is: 421,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,300.58 : 773,213.19 = 305,649.95 : x
  2. Step 2: Convert to fraction form
    560,300.58/773,213.19 = 305,649.95/x
  3. Step 3: Cross multiply
    560,300.58x = 773,213.19 × 305,649.95
  4. Step 4: Simplify right side
    560,300.58x = 236,332,568,996.78
  5. Step 5: Solve for x
    x = 236,332,568,996.78/560,300.58
  6. Step 6: Final answer
    x = 421,796.05

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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.