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Finding the Fourth Proportional to 404,551.12, 606,627 and 124,000.72

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Solution

The fourth proportional to 404,551.12, 606,627 and 124,000.72 is: 185,939.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,551.12 : 606,627 = 124,000.72 : x
  2. Step 2: Convert to fraction form
    404,551.12/606,627 = 124,000.72/x
  3. Step 3: Cross multiply
    404,551.12x = 606,627 × 124,000.72
  4. Step 4: Simplify right side
    404,551.12x = 75,222,184,771.44
  5. Step 5: Solve for x
    x = 75,222,184,771.44/404,551.12
  6. Step 6: Final answer
    x = 185,939.88

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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.