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Finding the Fourth Proportional to 270,218.92, 372,901.38 and 150,986.92

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Solution

The fourth proportional to 270,218.92, 372,901.38 and 150,986.92 is: 208,361.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,218.92 : 372,901.38 = 150,986.92 : x
  2. Step 2: Convert to fraction form
    270,218.92/372,901.38 = 150,986.92/x
  3. Step 3: Cross multiply
    270,218.92x = 372,901.38 × 150,986.92
  4. Step 4: Simplify right side
    270,218.92x = 56,303,230,829.95
  5. Step 5: Solve for x
    x = 56,303,230,829.95/270,218.92
  6. Step 6: Final answer
    x = 208,361.54

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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.