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Finding the Fourth Proportional to 606,642.80, 911,713.80 and 529,660.40

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Solution

The fourth proportional to 606,642.80, 911,713.80 and 529,660.40 is: 796,018.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,642.80 : 911,713.80 = 529,660.40 : x
  2. Step 2: Convert to fraction form
    606,642.80/911,713.80 = 529,660.40/x
  3. Step 3: Cross multiply
    606,642.80x = 911,713.80 × 529,660.40
  4. Step 4: Simplify right side
    606,642.80x = 482,898,695,993.52
  5. Step 5: Solve for x
    x = 482,898,695,993.52/606,642.80
  6. Step 6: Final answer
    x = 796,018.18

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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.