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Finding the Fourth Proportional to 359,817.85, 496,546.50 and 198,671.59

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Solution

The fourth proportional to 359,817.85, 496,546.50 and 198,671.59 is: 274,165.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,817.85 : 496,546.50 = 198,671.59 : x
  2. Step 2: Convert to fraction form
    359,817.85/496,546.50 = 198,671.59/x
  3. Step 3: Cross multiply
    359,817.85x = 496,546.50 × 198,671.59
  4. Step 4: Simplify right side
    359,817.85x = 98,649,682,663.94
  5. Step 5: Solve for x
    x = 98,649,682,663.94/359,817.85
  6. Step 6: Final answer
    x = 274,165.62

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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.