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Finding the Fourth Proportional to 436,253.76, 654,388.83 and 136,727.70

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Solution

The fourth proportional to 436,253.76, 654,388.83 and 136,727.70 is: 205,094.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,253.76 : 654,388.83 = 136,727.70 : x
  2. Step 2: Convert to fraction form
    436,253.76/654,388.83 = 136,727.70/x
  3. Step 3: Cross multiply
    436,253.76x = 654,388.83 × 136,727.70
  4. Step 4: Simplify right side
    436,253.76x = 89,473,079,631.59
  5. Step 5: Solve for x
    x = 89,473,079,631.59/436,253.76
  6. Step 6: Final answer
    x = 205,094.12

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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.