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Finding the Fourth Proportional to 440,951.78, 608,512.65 and 239,747.30

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Solution

The fourth proportional to 440,951.78, 608,512.65 and 239,747.30 is: 330,850.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,951.78 : 608,512.65 = 239,747.30 : x
  2. Step 2: Convert to fraction form
    440,951.78/608,512.65 = 239,747.30/x
  3. Step 3: Cross multiply
    440,951.78x = 608,512.65 × 239,747.30
  4. Step 4: Simplify right side
    440,951.78x = 145,889,264,853.35
  5. Step 5: Solve for x
    x = 145,889,264,853.35/440,951.78
  6. Step 6: Final answer
    x = 330,850.84

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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.