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Finding the Fourth Proportional to 618,040.66, 927,205.56 and 191,554.18

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Solution

The fourth proportional to 618,040.66, 927,205.56 and 191,554.18 is: 287,376.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,040.66 : 927,205.56 = 191,554.18 : x
  2. Step 2: Convert to fraction form
    618,040.66/927,205.56 = 191,554.18/x
  3. Step 3: Cross multiply
    618,040.66x = 927,205.56 × 191,554.18
  4. Step 4: Simplify right side
    618,040.66x = 177,610,100,737.24
  5. Step 5: Solve for x
    x = 177,610,100,737.24/618,040.66
  6. Step 6: Final answer
    x = 287,376.08

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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.