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Finding the Fourth Proportional to 618,039.66, 927,204.06 and 191,553.18

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Solution

The fourth proportional to 618,039.66, 927,204.06 and 191,553.18 is: 287,374.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,039.66 : 927,204.06 = 191,553.18 : x
  2. Step 2: Convert to fraction form
    618,039.66/927,204.06 = 191,553.18/x
  3. Step 3: Cross multiply
    618,039.66x = 927,204.06 × 191,553.18
  4. Step 4: Simplify right side
    618,039.66x = 177,608,886,201.91
  5. Step 5: Solve for x
    x = 177,608,886,201.91/618,039.66
  6. Step 6: Final answer
    x = 287,374.58

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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.