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Finding the Fourth Proportional to 659,203.74, 988,807.23 and 185,891.58

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Solution

The fourth proportional to 659,203.74, 988,807.23 and 185,891.58 is: 278,837.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,203.74 : 988,807.23 = 185,891.58 : x
  2. Step 2: Convert to fraction form
    659,203.74/988,807.23 = 185,891.58/x
  3. Step 3: Cross multiply
    659,203.74x = 988,807.23 × 185,891.58
  4. Step 4: Simplify right side
    659,203.74x = 183,810,938,300.12
  5. Step 5: Solve for x
    x = 183,810,938,300.12/659,203.74
  6. Step 6: Final answer
    x = 278,837.83

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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.