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Finding the Fourth Proportional to 366,840.80, 550,261.20 and 242,181.80

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Solution

The fourth proportional to 366,840.80, 550,261.20 and 242,181.80 is: 363,272.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,840.80 : 550,261.20 = 242,181.80 : x
  2. Step 2: Convert to fraction form
    366,840.80/550,261.20 = 242,181.80/x
  3. Step 3: Cross multiply
    366,840.80x = 550,261.20 × 242,181.80
  4. Step 4: Simplify right side
    366,840.80x = 133,263,247,886.16
  5. Step 5: Solve for x
    x = 133,263,247,886.16/366,840.80
  6. Step 6: Final answer
    x = 363,272.70

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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.