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Finding the Fourth Proportional to 600,112.36, 827,903.86 and 393,430.37

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Solution

The fourth proportional to 600,112.36, 827,903.86 and 393,430.37 is: 542,769.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,112.36 : 827,903.86 = 393,430.37 : x
  2. Step 2: Convert to fraction form
    600,112.36/827,903.86 = 393,430.37/x
  3. Step 3: Cross multiply
    600,112.36x = 827,903.86 × 393,430.37
  4. Step 4: Simplify right side
    600,112.36x = 325,722,517,947.66
  5. Step 5: Solve for x
    x = 325,722,517,947.66/600,112.36
  6. Step 6: Final answer
    x = 542,769.22

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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.