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Finding the Fourth Proportional to 270,604.80, 373,435.92 and 157,431.60

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Solution

The fourth proportional to 270,604.80, 373,435.92 and 157,431.60 is: 217,256.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,604.80 : 373,435.92 = 157,431.60 : x
  2. Step 2: Convert to fraction form
    270,604.80/373,435.92 = 157,431.60/x
  3. Step 3: Cross multiply
    270,604.80x = 373,435.92 × 157,431.60
  4. Step 4: Simplify right side
    270,604.80x = 58,790,614,383.07
  5. Step 5: Solve for x
    x = 58,790,614,383.07/270,604.80
  6. Step 6: Final answer
    x = 217,256.36

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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.