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Finding the Fourth Proportional to 341,930.94, 471,866.17 and 186,885.36

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Solution

The fourth proportional to 341,930.94, 471,866.17 and 186,885.36 is: 257,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,930.94 : 471,866.17 = 186,885.36 : x
  2. Step 2: Convert to fraction form
    341,930.94/471,866.17 = 186,885.36/x
  3. Step 3: Cross multiply
    341,930.94x = 471,866.17 × 186,885.36
  4. Step 4: Simplify right side
    341,930.94x = 88,184,879,052.27
  5. Step 5: Solve for x
    x = 88,184,879,052.27/341,930.94
  6. Step 6: Final answer
    x = 257,902.60

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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.