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Finding the Fourth Proportional to 350,532.96, 526,052.96 and 140,229.60

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Solution

The fourth proportional to 350,532.96, 526,052.96 and 140,229.60 is: 210,445.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,532.96 : 526,052.96 = 140,229.60 : x
  2. Step 2: Convert to fraction form
    350,532.96/526,052.96 = 140,229.60/x
  3. Step 3: Cross multiply
    350,532.96x = 526,052.96 × 140,229.60
  4. Step 4: Simplify right side
    350,532.96x = 73,768,196,159.62
  5. Step 5: Solve for x
    x = 73,768,196,159.62/350,532.96
  6. Step 6: Final answer
    x = 210,445.82

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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.