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Finding the Fourth Proportional to 659,201.49, 988,803.86 and 185,889.33

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Solution

The fourth proportional to 659,201.49, 988,803.86 and 185,889.33 is: 278,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,201.49 : 988,803.86 = 185,889.33 : x
  2. Step 2: Convert to fraction form
    659,201.49/988,803.86 = 185,889.33/x
  3. Step 3: Cross multiply
    659,201.49x = 988,803.86 × 185,889.33
  4. Step 4: Simplify right side
    659,201.49x = 183,808,086,107.37
  5. Step 5: Solve for x
    x = 183,808,086,107.37/659,201.49
  6. Step 6: Final answer
    x = 278,834.45

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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.