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Finding the Fourth Proportional to 273,363.69, 409,713.10 and 193,424.69

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Solution

The fourth proportional to 273,363.69, 409,713.10 and 193,424.69 is: 289,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,363.69 : 409,713.10 = 193,424.69 : x
  2. Step 2: Convert to fraction form
    273,363.69/409,713.10 = 193,424.69/x
  3. Step 3: Cross multiply
    273,363.69x = 409,713.10 × 193,424.69
  4. Step 4: Simplify right side
    273,363.69x = 79,248,628,389.32
  5. Step 5: Solve for x
    x = 79,248,628,389.32/273,363.69
  6. Step 6: Final answer
    x = 289,901.81

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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.