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Finding the Fourth Proportional to 614,621.66, 922,067.88 and 188,160.71

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Solution

The fourth proportional to 614,621.66, 922,067.88 and 188,160.71 is: 282,282.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,621.66 : 922,067.88 = 188,160.71 : x
  2. Step 2: Convert to fraction form
    614,621.66/922,067.88 = 188,160.71/x
  3. Step 3: Cross multiply
    614,621.66x = 922,067.88 × 188,160.71
  4. Step 4: Simplify right side
    614,621.66x = 173,496,946,969.00
  5. Step 5: Solve for x
    x = 173,496,946,969.00/614,621.66
  6. Step 6: Final answer
    x = 282,282.51

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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.