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Finding the Fourth Proportional to 297,125.70, 445,688.55 and 271,464.90

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Solution

The fourth proportional to 297,125.70, 445,688.55 and 271,464.90 is: 407,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,125.70 : 445,688.55 = 271,464.90 : x
  2. Step 2: Convert to fraction form
    297,125.70/445,688.55 = 271,464.90/x
  3. Step 3: Cross multiply
    297,125.70x = 445,688.55 × 271,464.90
  4. Step 4: Simplify right side
    297,125.70x = 120,988,797,656.90
  5. Step 5: Solve for x
    x = 120,988,797,656.90/297,125.70
  6. Step 6: Final answer
    x = 407,197.35

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1.5x scale

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.