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Finding the Fourth Proportional to 447,796.76, 617,950.64 and 243,850.10

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Solution

The fourth proportional to 447,796.76, 617,950.64 and 243,850.10 is: 336,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,796.76 : 617,950.64 = 243,850.10 : x
  2. Step 2: Convert to fraction form
    447,796.76/617,950.64 = 243,850.10/x
  3. Step 3: Cross multiply
    447,796.76x = 617,950.64 × 243,850.10
  4. Step 4: Simplify right side
    447,796.76x = 150,687,325,359.06
  5. Step 5: Solve for x
    x = 150,687,325,359.06/447,796.76
  6. Step 6: Final answer
    x = 336,508.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.