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Finding the Fourth Proportional to 404,522.80, 606,357.64 and 134,578.83

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Solution

The fourth proportional to 404,522.80, 606,357.64 and 134,578.83 is: 201,726.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,522.80 : 606,357.64 = 134,578.83 : x
  2. Step 2: Convert to fraction form
    404,522.80/606,357.64 = 134,578.83/x
  3. Step 3: Cross multiply
    404,522.80x = 606,357.64 × 134,578.83
  4. Step 4: Simplify right side
    404,522.80x = 81,602,901,752.76
  5. Step 5: Solve for x
    x = 81,602,901,752.76/404,522.80
  6. Step 6: Final answer
    x = 201,726.33

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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.