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Finding the Fourth Proportional to 397,252.70, 596,109.45 and 147,959.90

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Solution

The fourth proportional to 397,252.70, 596,109.45 and 147,959.90 is: 222,025.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,252.70 : 596,109.45 = 147,959.90 : x
  2. Step 2: Convert to fraction form
    397,252.70/596,109.45 = 147,959.90/x
  3. Step 3: Cross multiply
    397,252.70x = 596,109.45 × 147,959.90
  4. Step 4: Simplify right side
    397,252.70x = 88,200,294,611.06
  5. Step 5: Solve for x
    x = 88,200,294,611.06/397,252.70
  6. Step 6: Final answer
    x = 222,025.66

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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.