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Finding the Fourth Proportional to 341,150.45, 511,506.70 and 141,608.57

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Solution

The fourth proportional to 341,150.45, 511,506.70 and 141,608.57 is: 212,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,150.45 : 511,506.70 = 141,608.57 : x
  2. Step 2: Convert to fraction form
    341,150.45/511,506.70 = 141,608.57/x
  3. Step 3: Cross multiply
    341,150.45x = 511,506.70 × 141,608.57
  4. Step 4: Simplify right side
    341,150.45x = 72,433,729,420.86
  5. Step 5: Solve for x
    x = 72,433,729,420.86/341,150.45
  6. Step 6: Final answer
    x = 212,321.95

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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.