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Finding the Fourth Proportional to 618,146.77, 927,353.36 and 191,674.02

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Solution

The fourth proportional to 618,146.77, 927,353.36 and 191,674.02 is: 287,552.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,146.77 : 927,353.36 = 191,674.02 : x
  2. Step 2: Convert to fraction form
    618,146.77/927,353.36 = 191,674.02/x
  3. Step 3: Cross multiply
    618,146.77x = 927,353.36 × 191,674.02
  4. Step 4: Simplify right side
    618,146.77x = 177,749,546,471.71
  5. Step 5: Solve for x
    x = 177,749,546,471.71/618,146.77
  6. Step 6: Final answer
    x = 287,552.33

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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.