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Finding the Fourth Proportional to 359,704.39, 496,392.15 and 198,559.55

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Solution

The fourth proportional to 359,704.39, 496,392.15 and 198,559.55 is: 274,012.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,704.39 : 496,392.15 = 198,559.55 : x
  2. Step 2: Convert to fraction form
    359,704.39/496,392.15 = 198,559.55/x
  3. Step 3: Cross multiply
    359,704.39x = 496,392.15 × 198,559.55
  4. Step 4: Simplify right side
    359,704.39x = 98,563,401,927.53
  5. Step 5: Solve for x
    x = 98,563,401,927.53/359,704.39
  6. Step 6: Final answer
    x = 274,012.23

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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.