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Finding the Fourth Proportional to 351,438.54, 484,985.39 and 190,293.66

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Solution

The fourth proportional to 351,438.54, 484,985.39 and 190,293.66 is: 262,605.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,438.54 : 484,985.39 = 190,293.66 : x
  2. Step 2: Convert to fraction form
    351,438.54/484,985.39 = 190,293.66/x
  3. Step 3: Cross multiply
    351,438.54x = 484,985.39 × 190,293.66
  4. Step 4: Simplify right side
    351,438.54x = 92,289,644,909.63
  5. Step 5: Solve for x
    x = 92,289,644,909.63/351,438.54
  6. Step 6: Final answer
    x = 262,605.36

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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.