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Finding the Fourth Proportional to 359,697.60, 540,129.60 and 241,891.20

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Solution

The fourth proportional to 359,697.60, 540,129.60 and 241,891.20 is: 363,228.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,697.60 : 540,129.60 = 241,891.20 : x
  2. Step 2: Convert to fraction form
    359,697.60/540,129.60 = 241,891.20/x
  3. Step 3: Cross multiply
    359,697.60x = 540,129.60 × 241,891.20
  4. Step 4: Simplify right side
    359,697.60x = 130,652,597,099.52
  5. Step 5: Solve for x
    x = 130,652,597,099.52/359,697.60
  6. Step 6: Final answer
    x = 363,228.99

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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.