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Finding the Fourth Proportional to 359,685.08, 496,365.44 and 198,540.20

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Solution

The fourth proportional to 359,685.08, 496,365.44 and 198,540.20 is: 273,985.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,685.08 : 496,365.44 = 198,540.20 : x
  2. Step 2: Convert to fraction form
    359,685.08/496,365.44 = 198,540.20/x
  3. Step 3: Cross multiply
    359,685.08x = 496,365.44 × 198,540.20
  4. Step 4: Simplify right side
    359,685.08x = 98,548,493,730.69
  5. Step 5: Solve for x
    x = 98,548,493,730.69/359,685.08
  6. Step 6: Final answer
    x = 273,985.49

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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.