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Finding the Fourth Proportional to 614,990.88, 922,619.97 and 188,528.31

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Solution

The fourth proportional to 614,990.88, 922,619.97 and 188,528.31 is: 282,833.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,990.88 : 922,619.97 = 188,528.31 : x
  2. Step 2: Convert to fraction form
    614,990.88/922,619.97 = 188,528.31/x
  3. Step 3: Cross multiply
    614,990.88x = 922,619.97 × 188,528.31
  4. Step 4: Simplify right side
    614,990.88x = 173,939,983,716.35
  5. Step 5: Solve for x
    x = 173,939,983,716.35/614,990.88
  6. Step 6: Final answer
    x = 282,833.44

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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.