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Finding the Fourth Proportional to 426,886.44, 589,125.96 and 245,625.90

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Solution

The fourth proportional to 426,886.44, 589,125.96 and 245,625.90 is: 338,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,886.44 : 589,125.96 = 245,625.90 : x
  2. Step 2: Convert to fraction form
    426,886.44/589,125.96 = 245,625.90/x
  3. Step 3: Cross multiply
    426,886.44x = 589,125.96 × 245,625.90
  4. Step 4: Simplify right side
    426,886.44x = 144,704,594,138.36
  5. Step 5: Solve for x
    x = 144,704,594,138.36/426,886.44
  6. Step 6: Final answer
    x = 338,976.79

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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.