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Finding the Fourth Proportional to 447,591.42, 617,684.04 and 243,648.22

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Solution

The fourth proportional to 447,591.42, 617,684.04 and 243,648.22 is: 336,238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,591.42 : 617,684.04 = 243,648.22 : x
  2. Step 2: Convert to fraction form
    447,591.42/617,684.04 = 243,648.22/x
  3. Step 3: Cross multiply
    447,591.42x = 617,684.04 × 243,648.22
  4. Step 4: Simplify right side
    447,591.42x = 150,497,616,868.41
  5. Step 5: Solve for x
    x = 150,497,616,868.41/447,591.42
  6. Step 6: Final answer
    x = 336,238.83

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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.