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Finding the Fourth Proportional to 404,084.81, 606,130.26 and 179,384.84

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Solution

The fourth proportional to 404,084.81, 606,130.26 and 179,384.84 is: 269,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,084.81 : 606,130.26 = 179,384.84 : x
  2. Step 2: Convert to fraction form
    404,084.81/606,130.26 = 179,384.84/x
  3. Step 3: Cross multiply
    404,084.81x = 606,130.26 × 179,384.84
  4. Step 4: Simplify right side
    404,084.81x = 108,730,578,278.90
  5. Step 5: Solve for x
    x = 108,730,578,278.90/404,084.81
  6. Step 6: Final answer
    x = 269,078.61

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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.