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Finding the Fourth Proportional to 657,735.36, 986,491.86 and 184,311.81

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Solution

The fourth proportional to 657,735.36, 986,491.86 and 184,311.81 is: 276,436.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,735.36 : 986,491.86 = 184,311.81 : x
  2. Step 2: Convert to fraction form
    657,735.36/986,491.86 = 184,311.81/x
  3. Step 3: Cross multiply
    657,735.36x = 986,491.86 × 184,311.81
  4. Step 4: Simplify right side
    657,735.36x = 181,822,100,266.87
  5. Step 5: Solve for x
    x = 181,822,100,266.87/657,735.36
  6. Step 6: Final answer
    x = 276,436.56

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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.