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Finding the Fourth Proportional to 366,561.78, 549,928.73 and 113,829.22

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Solution

The fourth proportional to 366,561.78, 549,928.73 and 113,829.22 is: 170,770.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,561.78 : 549,928.73 = 113,829.22 : x
  2. Step 2: Convert to fraction form
    366,561.78/549,928.73 = 113,829.22/x
  3. Step 3: Cross multiply
    366,561.78x = 549,928.73 × 113,829.22
  4. Step 4: Simplify right side
    366,561.78x = 62,597,958,391.49
  5. Step 5: Solve for x
    x = 62,597,958,391.49/366,561.78
  6. Step 6: Final answer
    x = 170,770.55

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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.