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Finding the Fourth Proportional to 359,958.60, 540,002.70 and 149,617.80

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Solution

The fourth proportional to 359,958.60, 540,002.70 and 149,617.80 is: 224,453.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,958.60 : 540,002.70 = 149,617.80 : x
  2. Step 2: Convert to fraction form
    359,958.60/540,002.70 = 149,617.80/x
  3. Step 3: Cross multiply
    359,958.60x = 540,002.70 × 149,617.80
  4. Step 4: Simplify right side
    359,958.60x = 80,794,015,968.06
  5. Step 5: Solve for x
    x = 80,794,015,968.06/359,958.60
  6. Step 6: Final answer
    x = 224,453.63

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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.