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Finding the Fourth Proportional to 365,726.10, 548,447.34 and 125,794.38

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Solution

The fourth proportional to 365,726.10, 548,447.34 and 125,794.38 is: 188,642.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,726.10 : 548,447.34 = 125,794.38 : x
  2. Step 2: Convert to fraction form
    365,726.10/548,447.34 = 125,794.38/x
  3. Step 3: Cross multiply
    365,726.10x = 548,447.34 × 125,794.38
  4. Step 4: Simplify right side
    365,726.10x = 68,991,593,097.95
  5. Step 5: Solve for x
    x = 68,991,593,097.95/365,726.10
  6. Step 6: Final answer
    x = 188,642.79

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1.5x scale

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.