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Finding the Fourth Proportional to 350,729.40, 526,180.50 and 101,436.60

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Solution

The fourth proportional to 350,729.40, 526,180.50 and 101,436.60 is: 152,179.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,729.40 : 526,180.50 = 101,436.60 : x
  2. Step 2: Convert to fraction form
    350,729.40/526,180.50 = 101,436.60/x
  3. Step 3: Cross multiply
    350,729.40x = 526,180.50 × 101,436.60
  4. Step 4: Simplify right side
    350,729.40x = 53,373,960,906.30
  5. Step 5: Solve for x
    x = 53,373,960,906.30/350,729.40
  6. Step 6: Final answer
    x = 152,179.89

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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.