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Finding the Fourth Proportional to 364,193.80, 502,589.55 and 203,058.88

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Solution

The fourth proportional to 364,193.80, 502,589.55 and 203,058.88 is: 280,222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,193.80 : 502,589.55 = 203,058.88 : x
  2. Step 2: Convert to fraction form
    364,193.80/502,589.55 = 203,058.88/x
  3. Step 3: Cross multiply
    364,193.80x = 502,589.55 × 203,058.88
  4. Step 4: Simplify right side
    364,193.80x = 102,055,271,122.70
  5. Step 5: Solve for x
    x = 102,055,271,122.70/364,193.80
  6. Step 6: Final answer
    x = 280,222.43

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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.