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Finding the Fourth Proportional to 454,667.27, 627,331.11 and 293,487.80

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Solution

The fourth proportional to 454,667.27, 627,331.11 and 293,487.80 is: 404,942.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,667.27 : 627,331.11 = 293,487.80 : x
  2. Step 2: Convert to fraction form
    454,667.27/627,331.11 = 293,487.80/x
  3. Step 3: Cross multiply
    454,667.27x = 627,331.11 × 293,487.80
  4. Step 4: Simplify right side
    454,667.27x = 184,114,027,345.46
  5. Step 5: Solve for x
    x = 184,114,027,345.46/454,667.27
  6. Step 6: Final answer
    x = 404,942.34

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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.