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Finding the Fourth Proportional to 384,696.71, 531,029.61 and 344,339.27

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Solution

The fourth proportional to 384,696.71, 531,029.61 and 344,339.27 is: 475,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,696.71 : 531,029.61 = 344,339.27 : x
  2. Step 2: Convert to fraction form
    384,696.71/531,029.61 = 344,339.27/x
  3. Step 3: Cross multiply
    384,696.71x = 531,029.61 × 344,339.27
  4. Step 4: Simplify right side
    384,696.71x = 182,854,345,600.64
  5. Step 5: Solve for x
    x = 182,854,345,600.64/384,696.71
  6. Step 6: Final answer
    x = 475,320.80

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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.