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Finding the Fourth Proportional to 366,699.06, 550,113.39 and 189,157.86

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Solution

The fourth proportional to 366,699.06, 550,113.39 and 189,157.86 is: 283,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,699.06 : 550,113.39 = 189,157.86 : x
  2. Step 2: Convert to fraction form
    366,699.06/550,113.39 = 189,157.86/x
  3. Step 3: Cross multiply
    366,699.06x = 550,113.39 × 189,157.86
  4. Step 4: Simplify right side
    366,699.06x = 104,058,271,609.75
  5. Step 5: Solve for x
    x = 104,058,271,609.75/366,699.06
  6. Step 6: Final answer
    x = 283,770.22

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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.