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Finding the Fourth Proportional to 274,214.52, 411,155.64 and 179,330.13

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Solution

The fourth proportional to 274,214.52, 411,155.64 and 179,330.13 is: 268,886.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,214.52 : 411,155.64 = 179,330.13 : x
  2. Step 2: Convert to fraction form
    274,214.52/411,155.64 = 179,330.13/x
  3. Step 3: Cross multiply
    274,214.52x = 411,155.64 × 179,330.13
  4. Step 4: Simplify right side
    274,214.52x = 73,732,594,371.43
  5. Step 5: Solve for x
    x = 73,732,594,371.43/274,214.52
  6. Step 6: Final answer
    x = 268,886.54

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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.