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Finding the Fourth Proportional to 866,610.63, 1,299,653.51 and 235,442.43

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Solution

The fourth proportional to 866,610.63, 1,299,653.51 and 235,442.43 is: 353,092.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,610.63 : 1,299,653.51 = 235,442.43 : x
  2. Step 2: Convert to fraction form
    866,610.63/1,299,653.51 = 235,442.43/x
  3. Step 3: Cross multiply
    866,610.63x = 1,299,653.51 × 235,442.43
  4. Step 4: Simplify right side
    866,610.63x = 305,993,579,375.22
  5. Step 5: Solve for x
    x = 305,993,579,375.22/866,610.63
  6. Step 6: Final answer
    x = 353,092.34

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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.