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Finding the Fourth Proportional to 339,960.20, 510,134.70 and 234,854.60

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Solution

The fourth proportional to 339,960.20, 510,134.70 and 234,854.60 is: 352,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,960.20 : 510,134.70 = 234,854.60 : x
  2. Step 2: Convert to fraction form
    339,960.20/510,134.70 = 234,854.60/x
  3. Step 3: Cross multiply
    339,960.20x = 510,134.70 × 234,854.60
  4. Step 4: Simplify right side
    339,960.20x = 119,807,480,914.62
  5. Step 5: Solve for x
    x = 119,807,480,914.62/339,960.20
  6. Step 6: Final answer
    x = 352,416.20

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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.