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Finding the Fourth Proportional to 359,449.23, 496,037.17 and 198,311.07

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Solution

The fourth proportional to 359,449.23, 496,037.17 and 198,311.07 is: 273,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,449.23 : 496,037.17 = 198,311.07 : x
  2. Step 2: Convert to fraction form
    359,449.23/496,037.17 = 198,311.07/x
  3. Step 3: Cross multiply
    359,449.23x = 496,037.17 × 198,311.07
  4. Step 4: Simplify right side
    359,449.23x = 98,369,660,950.92
  5. Step 5: Solve for x
    x = 98,369,660,950.92/359,449.23
  6. Step 6: Final answer
    x = 273,667.75

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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.