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Finding the Fourth Proportional to 560,644.56, 773,683.92 and 305,993.52

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Solution

The fourth proportional to 560,644.56, 773,683.92 and 305,993.52 is: 422,268.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,644.56 : 773,683.92 = 305,993.52 : x
  2. Step 2: Convert to fraction form
    560,644.56/773,683.92 = 305,993.52/x
  3. Step 3: Cross multiply
    560,644.56x = 773,683.92 × 305,993.52
  4. Step 4: Simplify right side
    560,644.56x = 236,742,266,048.20
  5. Step 5: Solve for x
    x = 236,742,266,048.20/560,644.56
  6. Step 6: Final answer
    x = 422,268.02

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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.