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Finding the Fourth Proportional to 618,061.44, 927,236.75 and 191,574.93

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Solution

The fourth proportional to 618,061.44, 927,236.75 and 191,574.93 is: 287,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,061.44 : 927,236.75 = 191,574.93 : x
  2. Step 2: Convert to fraction form
    618,061.44/927,236.75 = 191,574.93/x
  3. Step 3: Cross multiply
    618,061.44x = 927,236.75 × 191,574.93
  4. Step 4: Simplify right side
    618,061.44x = 177,635,314,516.80
  5. Step 5: Solve for x
    x = 177,635,314,516.80/618,061.44
  6. Step 6: Final answer
    x = 287,407.21

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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.