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Finding the Fourth Proportional to 447,241.46, 617,204.48 and 243,303.84

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Solution

The fourth proportional to 447,241.46, 617,204.48 and 243,303.84 is: 335,765.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,241.46 : 617,204.48 = 243,303.84 : x
  2. Step 2: Convert to fraction form
    447,241.46/617,204.48 = 243,303.84/x
  3. Step 3: Cross multiply
    447,241.46x = 617,204.48 × 243,303.84
  4. Step 4: Simplify right side
    447,241.46x = 150,168,218,832.68
  5. Step 5: Solve for x
    x = 150,168,218,832.68/447,241.46
  6. Step 6: Final answer
    x = 335,765.43

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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.