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Finding the Fourth Proportional to 350,985.75, 526,355.44 and 98,198.32

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Solution

The fourth proportional to 350,985.75, 526,355.44 and 98,198.32 is: 147,263.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,985.75 : 526,355.44 = 98,198.32 : x
  2. Step 2: Convert to fraction form
    350,985.75/526,355.44 = 98,198.32/x
  3. Step 3: Cross multiply
    350,985.75x = 526,355.44 × 98,198.32
  4. Step 4: Simplify right side
    350,985.75x = 51,687,219,930.86
  5. Step 5: Solve for x
    x = 51,687,219,930.86/350,985.75
  6. Step 6: Final answer
    x = 147,263.02

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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.