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Finding the Fourth Proportional to 404,622.68, 606,740.09 and 191,212.92

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Solution

The fourth proportional to 404,622.68, 606,740.09 and 191,212.92 is: 286,727.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,622.68 : 606,740.09 = 191,212.92 : x
  2. Step 2: Convert to fraction form
    404,622.68/606,740.09 = 191,212.92/x
  3. Step 3: Cross multiply
    404,622.68x = 606,740.09 × 191,212.92
  4. Step 4: Simplify right side
    404,622.68x = 116,016,543,333.90
  5. Step 5: Solve for x
    x = 116,016,543,333.90/404,622.68
  6. Step 6: Final answer
    x = 286,727.74

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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.