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Finding the Fourth Proportional to 247,768, 341,889.34 and 150,936.70

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Solution

The fourth proportional to 247,768, 341,889.34 and 150,936.70 is: 208,274.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,768 : 341,889.34 = 150,936.70 : x
  2. Step 2: Convert to fraction form
    247,768/341,889.34 = 150,936.70/x
  3. Step 3: Cross multiply
    247,768x = 341,889.34 × 150,936.70
  4. Step 4: Simplify right side
    247,768x = 51,603,648,744.78
  5. Step 5: Solve for x
    x = 51,603,648,744.78/247,768
  6. Step 6: Final answer
    x = 208,274.07

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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.