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Finding the Fourth Proportional to 299,726.73, 413,618.06 and 163,757.76

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Solution

The fourth proportional to 299,726.73, 413,618.06 and 163,757.76 is: 225,983.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,726.73 : 413,618.06 = 163,757.76 : x
  2. Step 2: Convert to fraction form
    299,726.73/413,618.06 = 163,757.76/x
  3. Step 3: Cross multiply
    299,726.73x = 413,618.06 × 163,757.76
  4. Step 4: Simplify right side
    299,726.73x = 67,733,167,717.59
  5. Step 5: Solve for x
    x = 67,733,167,717.59/299,726.73
  6. Step 6: Final answer
    x = 225,983.07

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1.5x scale

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.