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Finding the Fourth Proportional to 316,092.73, 473,639.73 and 256,637.92

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Solution

The fourth proportional to 316,092.73, 473,639.73 and 256,637.92 is: 384,551.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,092.73 : 473,639.73 = 256,637.92 : x
  2. Step 2: Convert to fraction form
    316,092.73/473,639.73 = 256,637.92/x
  3. Step 3: Cross multiply
    316,092.73x = 473,639.73 × 256,637.92
  4. Step 4: Simplify right side
    316,092.73x = 121,553,915,136.56
  5. Step 5: Solve for x
    x = 121,553,915,136.56/316,092.73
  6. Step 6: Final answer
    x = 384,551.44

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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.