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Finding the Fourth Proportional to 267,847.58, 399,404.90 and 265,443.50

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Solution

The fourth proportional to 267,847.58, 399,404.90 and 265,443.50 is: 395,820.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,847.58 : 399,404.90 = 265,443.50 : x
  2. Step 2: Convert to fraction form
    267,847.58/399,404.90 = 265,443.50/x
  3. Step 3: Cross multiply
    267,847.58x = 399,404.90 × 265,443.50
  4. Step 4: Simplify right side
    267,847.58x = 106,019,432,244.32
  5. Step 5: Solve for x
    x = 106,019,432,244.32/267,847.58
  6. Step 6: Final answer
    x = 395,820.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.