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Finding the Fourth Proportional to 624,680.82, 862,058.34 and 338,200.86

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Solution

The fourth proportional to 624,680.82, 862,058.34 and 338,200.86 is: 466,716.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,680.82 : 862,058.34 = 338,200.86 : x
  2. Step 2: Convert to fraction form
    624,680.82/862,058.34 = 338,200.86/x
  3. Step 3: Cross multiply
    624,680.82x = 862,058.34 × 338,200.86
  4. Step 4: Simplify right side
    624,680.82x = 291,548,871,958.17
  5. Step 5: Solve for x
    x = 291,548,871,958.17/624,680.82
  6. Step 6: Final answer
    x = 466,716.54

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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.