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Finding the Fourth Proportional to 330,619.60, 494,892.60 and 237,307.60

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Solution

The fourth proportional to 330,619.60, 494,892.60 and 237,307.60 is: 355,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,619.60 : 494,892.60 = 237,307.60 : x
  2. Step 2: Convert to fraction form
    330,619.60/494,892.60 = 237,307.60/x
  3. Step 3: Cross multiply
    330,619.60x = 494,892.60 × 237,307.60
  4. Step 4: Simplify right side
    330,619.60x = 117,441,775,163.76
  5. Step 5: Solve for x
    x = 117,441,775,163.76/330,619.60
  6. Step 6: Final answer
    x = 355,217.22

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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.