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Finding the Fourth Proportional to 560,300.07, 773,212.50 and 305,649.44

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Solution

The fourth proportional to 560,300.07, 773,212.50 and 305,649.44 is: 421,795.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,300.07 : 773,212.50 = 305,649.44 : x
  2. Step 2: Convert to fraction form
    560,300.07/773,212.50 = 305,649.44/x
  3. Step 3: Cross multiply
    560,300.07x = 773,212.50 × 305,649.44
  4. Step 4: Simplify right side
    560,300.07x = 236,331,967,626
  5. Step 5: Solve for x
    x = 236,331,967,626/560,300.07
  6. Step 6: Final answer
    x = 421,795.36

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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.