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Finding the Fourth Proportional to 359,759.96, 496,455.72 and 198,611.60

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Solution

The fourth proportional to 359,759.96, 496,455.72 and 198,611.60 is: 274,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,759.96 : 496,455.72 = 198,611.60 : x
  2. Step 2: Convert to fraction form
    359,759.96/496,455.72 = 198,611.60/x
  3. Step 3: Cross multiply
    359,759.96x = 496,455.72 × 198,611.60
  4. Step 4: Simplify right side
    359,759.96x = 98,601,864,878.35
  5. Step 5: Solve for x
    x = 98,601,864,878.35/359,759.96
  6. Step 6: Final answer
    x = 274,076.82

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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.