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Finding the Fourth Proportional to 519,908.24, 717,517.32 and 293,594.96

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Solution

The fourth proportional to 519,908.24, 717,517.32 and 293,594.96 is: 405,185.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,908.24 : 717,517.32 = 293,594.96 : x
  2. Step 2: Convert to fraction form
    519,908.24/717,517.32 = 293,594.96/x
  3. Step 3: Cross multiply
    519,908.24x = 717,517.32 × 293,594.96
  4. Step 4: Simplify right side
    519,908.24x = 210,659,468,864.71
  5. Step 5: Solve for x
    x = 210,659,468,864.71/519,908.24
  6. Step 6: Final answer
    x = 405,185.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.