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Finding the Fourth Proportional to 618,270.30, 927,537.70 and 191,796.88

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Solution

The fourth proportional to 618,270.30, 927,537.70 and 191,796.88 is: 287,736.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,270.30 : 927,537.70 = 191,796.88 : x
  2. Step 2: Convert to fraction form
    618,270.30/927,537.70 = 191,796.88/x
  3. Step 3: Cross multiply
    618,270.30x = 927,537.70 × 191,796.88
  4. Step 4: Simplify right side
    618,270.30x = 177,898,836,242.79
  5. Step 5: Solve for x
    x = 177,898,836,242.79/618,270.30
  6. Step 6: Final answer
    x = 287,736.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.