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Finding the Fourth Proportional to 627,271.35, 940,907.76 and 171,866.44

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Solution

The fourth proportional to 627,271.35, 940,907.76 and 171,866.44 is: 257,799.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,271.35 : 940,907.76 = 171,866.44 : x
  2. Step 2: Convert to fraction form
    627,271.35/940,907.76 = 171,866.44/x
  3. Step 3: Cross multiply
    627,271.35x = 940,907.76 × 171,866.44
  4. Step 4: Simplify right side
    627,271.35x = 161,710,467,079.57
  5. Step 5: Solve for x
    x = 161,710,467,079.57/627,271.35
  6. Step 6: Final answer
    x = 257,799.86

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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.