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Finding the Fourth Proportional to 340,211.48, 510,296.66 and 150,616.40

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Solution

The fourth proportional to 340,211.48, 510,296.66 and 150,616.40 is: 225,915.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,211.48 : 510,296.66 = 150,616.40 : x
  2. Step 2: Convert to fraction form
    340,211.48/510,296.66 = 150,616.40/x
  3. Step 3: Cross multiply
    340,211.48x = 510,296.66 × 150,616.40
  4. Step 4: Simplify right side
    340,211.48x = 76,859,043,121.47
  5. Step 5: Solve for x
    x = 76,859,043,121.47/340,211.48
  6. Step 6: Final answer
    x = 225,915.49

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