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Finding the Fourth Proportional to 359,893.44, 496,627.94 and 198,747.08

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Solution

The fourth proportional to 359,893.44, 496,627.94 and 198,747.08 is: 274,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,893.44 : 496,627.94 = 198,747.08 : x
  2. Step 2: Convert to fraction form
    359,893.44/496,627.94 = 198,747.08/x
  3. Step 3: Cross multiply
    359,893.44x = 496,627.94 × 198,747.08
  4. Step 4: Simplify right side
    359,893.44x = 98,703,352,797.50
  5. Step 5: Solve for x
    x = 98,703,352,797.50/359,893.44
  6. Step 6: Final answer
    x = 274,257.16

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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.