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Finding the Fourth Proportional to 359,685.82, 496,331.04 and 198,530.44

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Solution

The fourth proportional to 359,685.82, 496,331.04 and 198,530.44 is: 273,952.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,685.82 : 496,331.04 = 198,530.44 : x
  2. Step 2: Convert to fraction form
    359,685.82/496,331.04 = 198,530.44/x
  3. Step 3: Cross multiply
    359,685.82x = 496,331.04 × 198,530.44
  4. Step 4: Simplify right side
    359,685.82x = 98,536,822,052.38
  5. Step 5: Solve for x
    x = 98,536,822,052.38/359,685.82
  6. Step 6: Final answer
    x = 273,952.48

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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.