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Finding the Fourth Proportional to 618,363.28, 927,588.12 and 197,673.04

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Solution

The fourth proportional to 618,363.28, 927,588.12 and 197,673.04 is: 296,523.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,363.28 : 927,588.12 = 197,673.04 : x
  2. Step 2: Convert to fraction form
    618,363.28/927,588.12 = 197,673.04/x
  3. Step 3: Cross multiply
    618,363.28x = 927,588.12 × 197,673.04
  4. Step 4: Simplify right side
    618,363.28x = 183,359,163,548.29
  5. Step 5: Solve for x
    x = 183,359,163,548.29/618,363.28
  6. Step 6: Final answer
    x = 296,523.37

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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.