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Finding the Fourth Proportional to 299,884.20, 413,851.26 and 163,927.20

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Solution

The fourth proportional to 299,884.20, 413,851.26 and 163,927.20 is: 226,225.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,884.20 : 413,851.26 = 163,927.20 : x
  2. Step 2: Convert to fraction form
    299,884.20/413,851.26 = 163,927.20/x
  3. Step 3: Cross multiply
    299,884.20x = 413,851.26 × 163,927.20
  4. Step 4: Simplify right side
    299,884.20x = 67,841,478,268.27
  5. Step 5: Solve for x
    x = 67,841,478,268.27/299,884.20
  6. Step 6: Final answer
    x = 226,225.58

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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.