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Finding the Fourth Proportional to 348,227.44, 521,668.55 and 256,881.92

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Solution

The fourth proportional to 348,227.44, 521,668.55 and 256,881.92 is: 384,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,227.44 : 521,668.55 = 256,881.92 : x
  2. Step 2: Convert to fraction form
    348,227.44/521,668.55 = 256,881.92/x
  3. Step 3: Cross multiply
    348,227.44x = 521,668.55 × 256,881.92
  4. Step 4: Simplify right side
    348,227.44x = 134,007,216,761.48
  5. Step 5: Solve for x
    x = 134,007,216,761.48/348,227.44
  6. Step 6: Final answer
    x = 384,826.70

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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.