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Finding the Fourth Proportional to 343,511.94, 474,103.33 and 190,599.39

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Solution

The fourth proportional to 343,511.94, 474,103.33 and 190,599.39 is: 263,058.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,511.94 : 474,103.33 = 190,599.39 : x
  2. Step 2: Convert to fraction form
    343,511.94/474,103.33 = 190,599.39/x
  3. Step 3: Cross multiply
    343,511.94x = 474,103.33 × 190,599.39
  4. Step 4: Simplify right side
    343,511.94x = 90,363,807,776.89
  5. Step 5: Solve for x
    x = 90,363,807,776.89/343,511.94
  6. Step 6: Final answer
    x = 263,058.71

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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.