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Finding the Fourth Proportional to 519,803.46, 778,961.61 and 234,786.33

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Solution

The fourth proportional to 519,803.46, 778,961.61 and 234,786.33 is: 351,843.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,803.46 : 778,961.61 = 234,786.33 : x
  2. Step 2: Convert to fraction form
    519,803.46/778,961.61 = 234,786.33/x
  3. Step 3: Cross multiply
    519,803.46x = 778,961.61 × 234,786.33
  4. Step 4: Simplify right side
    519,803.46x = 182,889,537,622.79
  5. Step 5: Solve for x
    x = 182,889,537,622.79/519,803.46
  6. Step 6: Final answer
    x = 351,843.63

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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.