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Finding the Fourth Proportional to 659,201.99, 988,804.61 and 185,889.83

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Solution

The fourth proportional to 659,201.99, 988,804.61 and 185,889.83 is: 278,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,201.99 : 988,804.61 = 185,889.83 : x
  2. Step 2: Convert to fraction form
    659,201.99/988,804.61 = 185,889.83/x
  3. Step 3: Cross multiply
    659,201.99x = 988,804.61 × 185,889.83
  4. Step 4: Simplify right side
    659,201.99x = 183,808,719,926.67
  5. Step 5: Solve for x
    x = 183,808,719,926.67/659,201.99
  6. Step 6: Final answer
    x = 278,835.20

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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.