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Finding the Fourth Proportional to 614,628.66, 922,078.38 and 188,167.68

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Solution

The fourth proportional to 614,628.66, 922,078.38 and 188,167.68 is: 282,292.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,628.66 : 922,078.38 = 188,167.68 : x
  2. Step 2: Convert to fraction form
    614,628.66/922,078.38 = 188,167.68/x
  3. Step 3: Cross multiply
    614,628.66x = 922,078.38 × 188,167.68
  4. Step 4: Simplify right side
    614,628.66x = 173,505,349,542.76
  5. Step 5: Solve for x
    x = 173,505,349,542.76/614,628.66
  6. Step 6: Final answer
    x = 282,292.97

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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.