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Finding the Fourth Proportional to 358,514.25, 494,773.29 and 207,611.25

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Solution

The fourth proportional to 358,514.25, 494,773.29 and 207,611.25 is: 286,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,514.25 : 494,773.29 = 207,611.25 : x
  2. Step 2: Convert to fraction form
    358,514.25/494,773.29 = 207,611.25/x
  3. Step 3: Cross multiply
    358,514.25x = 494,773.29 × 207,611.25
  4. Step 4: Simplify right side
    358,514.25x = 102,720,501,203.51
  5. Step 5: Solve for x
    x = 102,720,501,203.51/358,514.25
  6. Step 6: Final answer
    x = 286,517.21

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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.