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Finding the Fourth Proportional to 350,661.60, 526,575.60 and 193,003.20

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Solution

The fourth proportional to 350,661.60, 526,575.60 and 193,003.20 is: 289,825.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,661.60 : 526,575.60 = 193,003.20 : x
  2. Step 2: Convert to fraction form
    350,661.60/526,575.60 = 193,003.20/x
  3. Step 3: Cross multiply
    350,661.60x = 526,575.60 × 193,003.20
  4. Step 4: Simplify right side
    350,661.60x = 101,630,775,841.92
  5. Step 5: Solve for x
    x = 101,630,775,841.92/350,661.60
  6. Step 6: Final answer
    x = 289,825.79

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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.