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Finding the Fourth Proportional to 618,063.39, 927,238.86 and 191,576.59

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Solution

The fourth proportional to 618,063.39, 927,238.86 and 191,576.59 is: 287,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,063.39 : 927,238.86 = 191,576.59 : x
  2. Step 2: Convert to fraction form
    618,063.39/927,238.86 = 191,576.59/x
  3. Step 3: Cross multiply
    618,063.39x = 927,238.86 × 191,576.59
  4. Step 4: Simplify right side
    618,063.39x = 177,637,258,914.29
  5. Step 5: Solve for x
    x = 177,637,258,914.29/618,063.39
  6. Step 6: Final answer
    x = 287,409.45

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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.