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Finding the Fourth Proportional to 248,830.60, 373,245.90 and 204,507.40

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Solution

The fourth proportional to 248,830.60, 373,245.90 and 204,507.40 is: 306,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,830.60 : 373,245.90 = 204,507.40 : x
  2. Step 2: Convert to fraction form
    248,830.60/373,245.90 = 204,507.40/x
  3. Step 3: Cross multiply
    248,830.60x = 373,245.90 × 204,507.40
  4. Step 4: Simplify right side
    248,830.60x = 76,331,548,569.66
  5. Step 5: Solve for x
    x = 76,331,548,569.66/248,830.60
  6. Step 6: Final answer
    x = 306,761.10

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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.