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Finding the Fourth Proportional to 299,611.18, 413,466.56 and 163,649.04

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Solution

The fourth proportional to 299,611.18, 413,466.56 and 163,649.04 is: 225,837.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,611.18 : 413,466.56 = 163,649.04 : x
  2. Step 2: Convert to fraction form
    299,611.18/413,466.56 = 163,649.04/x
  3. Step 3: Cross multiply
    299,611.18x = 413,466.56 × 163,649.04
  4. Step 4: Simplify right side
    299,611.18x = 67,663,405,616.10
  5. Step 5: Solve for x
    x = 67,663,405,616.10/299,611.18
  6. Step 6: Final answer
    x = 225,837.39

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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.