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Finding the Fourth Proportional to 575,694.25, 863,114.91 and 275,889.35

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Solution

The fourth proportional to 575,694.25, 863,114.91 and 275,889.35 is: 413,629.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,694.25 : 863,114.91 = 275,889.35 : x
  2. Step 2: Convert to fraction form
    575,694.25/863,114.91 = 275,889.35/x
  3. Step 3: Cross multiply
    575,694.25x = 863,114.91 × 275,889.35
  4. Step 4: Simplify right side
    575,694.25x = 238,124,212,618.41
  5. Step 5: Solve for x
    x = 238,124,212,618.41/575,694.25
  6. Step 6: Final answer
    x = 413,629.65

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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.