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Finding the Fourth Proportional to 618,365.28, 927,591.12 and 197,675.04

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Solution

The fourth proportional to 618,365.28, 927,591.12 and 197,675.04 is: 296,526.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,365.28 : 927,591.12 = 197,675.04 : x
  2. Step 2: Convert to fraction form
    618,365.28/927,591.12 = 197,675.04/x
  3. Step 3: Cross multiply
    618,365.28x = 927,591.12 × 197,675.04
  4. Step 4: Simplify right side
    618,365.28x = 183,361,611,749.65
  5. Step 5: Solve for x
    x = 183,361,611,749.65/618,365.28
  6. Step 6: Final answer
    x = 296,526.37

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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.