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Finding the Fourth Proportional to 447,425.64, 617,308.38 and 253,801.44

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Solution

The fourth proportional to 447,425.64, 617,308.38 and 253,801.44 is: 350,167.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,425.64 : 617,308.38 = 253,801.44 : x
  2. Step 2: Convert to fraction form
    447,425.64/617,308.38 = 253,801.44/x
  3. Step 3: Cross multiply
    447,425.64x = 617,308.38 × 253,801.44
  4. Step 4: Simplify right side
    447,425.64x = 156,673,755,768.07
  5. Step 5: Solve for x
    x = 156,673,755,768.07/447,425.64
  6. Step 6: Final answer
    x = 350,167.14

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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.