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Finding the Fourth Proportional to 560,334.44, 773,246.22 and 305,685.56

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Solution

The fourth proportional to 560,334.44, 773,246.22 and 305,685.56 is: 421,837.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,334.44 : 773,246.22 = 305,685.56 : x
  2. Step 2: Convert to fraction form
    560,334.44/773,246.22 = 305,685.56/x
  3. Step 3: Cross multiply
    560,334.44x = 773,246.22 × 305,685.56
  4. Step 4: Simplify right side
    560,334.44x = 236,370,203,778.58
  5. Step 5: Solve for x
    x = 236,370,203,778.58/560,334.44
  6. Step 6: Final answer
    x = 421,837.72

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1.5x scale

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.