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Finding the Fourth Proportional to 353,244.39, 529,866.51 and 103,926.39

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Solution

The fourth proportional to 353,244.39, 529,866.51 and 103,926.39 is: 155,889.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,244.39 : 529,866.51 = 103,926.39 : x
  2. Step 2: Convert to fraction form
    353,244.39/529,866.51 = 103,926.39/x
  3. Step 3: Cross multiply
    353,244.39x = 529,866.51 × 103,926.39
  4. Step 4: Simplify right side
    353,244.39x = 55,067,114,754.56
  5. Step 5: Solve for x
    x = 55,067,114,754.56/353,244.39
  6. Step 6: Final answer
    x = 155,889.57

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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.