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Finding the Fourth Proportional to 359,455.80, 539,183.70 and 110,105.40

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Solution

The fourth proportional to 359,455.80, 539,183.70 and 110,105.40 is: 165,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,455.80 : 539,183.70 = 110,105.40 : x
  2. Step 2: Convert to fraction form
    359,455.80/539,183.70 = 110,105.40/x
  3. Step 3: Cross multiply
    359,455.80x = 539,183.70 × 110,105.40
  4. Step 4: Simplify right side
    359,455.80x = 59,367,036,961.98
  5. Step 5: Solve for x
    x = 59,367,036,961.98/359,455.80
  6. Step 6: Final answer
    x = 165,158.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.