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Finding the Fourth Proportional to 359,456.16, 496,049.52 and 198,311.58

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Solution

The fourth proportional to 359,456.16, 496,049.52 and 198,311.58 is: 273,669.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,456.16 : 496,049.52 = 198,311.58 : x
  2. Step 2: Convert to fraction form
    359,456.16/496,049.52 = 198,311.58/x
  3. Step 3: Cross multiply
    359,456.16x = 496,049.52 × 198,311.58
  4. Step 4: Simplify right side
    359,456.16x = 98,372,364,069.44
  5. Step 5: Solve for x
    x = 98,372,364,069.44/359,456.16
  6. Step 6: Final answer
    x = 273,669.99

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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.