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Finding the Fourth Proportional to 341,738.70, 512,608.05 and 247,260.30

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Solution

The fourth proportional to 341,738.70, 512,608.05 and 247,260.30 is: 370,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,738.70 : 512,608.05 = 247,260.30 : x
  2. Step 2: Convert to fraction form
    341,738.70/512,608.05 = 247,260.30/x
  3. Step 3: Cross multiply
    341,738.70x = 512,608.05 × 247,260.30
  4. Step 4: Simplify right side
    341,738.70x = 126,747,620,225.42
  5. Step 5: Solve for x
    x = 126,747,620,225.42/341,738.70
  6. Step 6: Final answer
    x = 370,890.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.