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Finding the Fourth Proportional to 518,600.54, 777,901.62 and 341,896.88

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Solution

The fourth proportional to 518,600.54, 777,901.62 and 341,896.88 is: 512,845.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,600.54 : 777,901.62 = 341,896.88 : x
  2. Step 2: Convert to fraction form
    518,600.54/777,901.62 = 341,896.88/x
  3. Step 3: Cross multiply
    518,600.54x = 777,901.62 × 341,896.88
  4. Step 4: Simplify right side
    518,600.54x = 265,962,136,824.95
  5. Step 5: Solve for x
    x = 265,962,136,824.95/518,600.54
  6. Step 6: Final answer
    x = 512,845.85

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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.