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Finding the Fourth Proportional to 518,600.52, 777,900.76 and 124,616.52

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Solution

The fourth proportional to 518,600.52, 777,900.76 and 124,616.52 is: 186,924.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,600.52 : 777,900.76 = 124,616.52 : x
  2. Step 2: Convert to fraction form
    518,600.52/777,900.76 = 124,616.52/x
  3. Step 3: Cross multiply
    518,600.52x = 777,900.76 × 124,616.52
  4. Step 4: Simplify right side
    518,600.52x = 96,939,285,616.56
  5. Step 5: Solve for x
    x = 96,939,285,616.56/518,600.52
  6. Step 6: Final answer
    x = 186,924.78

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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.