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Finding the Fourth Proportional to 299,517, 413,350.28 and 163,563.58

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Solution

The fourth proportional to 299,517, 413,350.28 and 163,563.58 is: 225,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,517 : 413,350.28 = 163,563.58 : x
  2. Step 2: Convert to fraction form
    299,517/413,350.28 = 163,563.58/x
  3. Step 3: Cross multiply
    299,517x = 413,350.28 × 163,563.58
  4. Step 4: Simplify right side
    299,517x = 67,609,051,590.80
  5. Step 5: Solve for x
    x = 67,609,051,590.80/299,517
  6. Step 6: Final answer
    x = 225,726.93

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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.