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Finding the Fourth Proportional to 413,371.50, 620,060.62 and 113,868.60

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Solution

The fourth proportional to 413,371.50, 620,060.62 and 113,868.60 is: 170,803.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,371.50 : 620,060.62 = 113,868.60 : x
  2. Step 2: Convert to fraction form
    413,371.50/620,060.62 = 113,868.60/x
  3. Step 3: Cross multiply
    413,371.50x = 620,060.62 × 113,868.60
  4. Step 4: Simplify right side
    413,371.50x = 70,605,434,714.53
  5. Step 5: Solve for x
    x = 70,605,434,714.53/413,371.50
  6. Step 6: Final answer
    x = 170,803.83

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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.