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Finding the Fourth Proportional to 447,801.52, 617,919.04 and 254,147.64

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Solution

The fourth proportional to 447,801.52, 617,919.04 and 254,147.64 is: 350,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,801.52 : 617,919.04 = 254,147.64 : x
  2. Step 2: Convert to fraction form
    447,801.52/617,919.04 = 254,147.64/x
  3. Step 3: Cross multiply
    447,801.52x = 617,919.04 × 254,147.64
  4. Step 4: Simplify right side
    447,801.52x = 157,042,665,727.07
  5. Step 5: Solve for x
    x = 157,042,665,727.07/447,801.52
  6. Step 6: Final answer
    x = 350,697.04

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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.