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Finding the Fourth Proportional to 454,366.49, 681,556.81 and 134,550.71

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Solution

The fourth proportional to 454,366.49, 681,556.81 and 134,550.71 is: 201,828.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,366.49 : 681,556.81 = 134,550.71 : x
  2. Step 2: Convert to fraction form
    454,366.49/681,556.81 = 134,550.71/x
  3. Step 3: Cross multiply
    454,366.49x = 681,556.81 × 134,550.71
  4. Step 4: Simplify right side
    454,366.49x = 91,703,952,018.08
  5. Step 5: Solve for x
    x = 91,703,952,018.08/454,366.49
  6. Step 6: Final answer
    x = 201,828.16

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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.