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Finding the Fourth Proportional to 365,466.55, 548,293.26 and 140,766.68

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Solution

The fourth proportional to 365,466.55, 548,293.26 and 140,766.68 is: 211,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,466.55 : 548,293.26 = 140,766.68 : x
  2. Step 2: Convert to fraction form
    365,466.55/548,293.26 = 140,766.68/x
  3. Step 3: Cross multiply
    365,466.55x = 548,293.26 × 140,766.68
  4. Step 4: Simplify right side
    365,466.55x = 77,181,421,876.58
  5. Step 5: Solve for x
    x = 77,181,421,876.58/365,466.55
  6. Step 6: Final answer
    x = 211,186.01

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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.