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Finding the Fourth Proportional to 366,061.33, 505,175.19 and 204,915.43

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Solution

The fourth proportional to 366,061.33, 505,175.19 and 204,915.43 is: 282,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,061.33 : 505,175.19 = 204,915.43 : x
  2. Step 2: Convert to fraction form
    366,061.33/505,175.19 = 204,915.43/x
  3. Step 3: Cross multiply
    366,061.33x = 505,175.19 × 204,915.43
  4. Step 4: Simplify right side
    366,061.33x = 103,518,191,284.18
  5. Step 5: Solve for x
    x = 103,518,191,284.18/366,061.33
  6. Step 6: Final answer
    x = 282,789.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.