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Finding the Fourth Proportional to 445,070.16, 667,775.88 and 267,702.84

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Solution

The fourth proportional to 445,070.16, 667,775.88 and 267,702.84 is: 401,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,070.16 : 667,775.88 = 267,702.84 : x
  2. Step 2: Convert to fraction form
    445,070.16/667,775.88 = 267,702.84/x
  3. Step 3: Cross multiply
    445,070.16x = 667,775.88 × 267,702.84
  4. Step 4: Simplify right side
    445,070.16x = 178,765,499,559.50
  5. Step 5: Solve for x
    x = 178,765,499,559.50/445,070.16
  6. Step 6: Final answer
    x = 401,656.90

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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.