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Finding the Fourth Proportional to 299,620.51, 413,473.85 and 163,654.55

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Solution

The fourth proportional to 299,620.51, 413,473.85 and 163,654.55 is: 225,841.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,620.51 : 413,473.85 = 163,654.55 : x
  2. Step 2: Convert to fraction form
    299,620.51/413,473.85 = 163,654.55/x
  3. Step 3: Cross multiply
    299,620.51x = 413,473.85 × 163,654.55
  4. Step 4: Simplify right side
    299,620.51x = 67,666,876,858.52
  5. Step 5: Solve for x
    x = 67,666,876,858.52/299,620.51
  6. Step 6: Final answer
    x = 225,841.94

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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.