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Finding the Fourth Proportional to 518,467.74, 777,807.48 and 293,928.48

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Solution

The fourth proportional to 518,467.74, 777,807.48 and 293,928.48 is: 440,952.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,467.74 : 777,807.48 = 293,928.48 : x
  2. Step 2: Convert to fraction form
    518,467.74/777,807.48 = 293,928.48/x
  3. Step 3: Cross multiply
    518,467.74x = 777,807.48 × 293,928.48
  4. Step 4: Simplify right side
    518,467.74x = 228,619,770,329.03
  5. Step 5: Solve for x
    x = 228,619,770,329.03/518,467.74
  6. Step 6: Final answer
    x = 440,952.74

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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.