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Finding the Fourth Proportional to 447,585.54, 617,667.36 and 243,635.83

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Solution

The fourth proportional to 447,585.54, 617,667.36 and 243,635.83 is: 336,217.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,585.54 : 617,667.36 = 243,635.83 : x
  2. Step 2: Convert to fraction form
    447,585.54/617,667.36 = 243,635.83/x
  3. Step 3: Cross multiply
    447,585.54x = 617,667.36 × 243,635.83
  4. Step 4: Simplify right side
    447,585.54x = 150,485,898,699.33
  5. Step 5: Solve for x
    x = 150,485,898,699.33/447,585.54
  6. Step 6: Final answer
    x = 336,217.07

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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.