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Finding the Fourth Proportional to 397,557.60, 596,163.60 and 117,016.80

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Solution

The fourth proportional to 397,557.60, 596,163.60 and 117,016.80 is: 175,474.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,557.60 : 596,163.60 = 117,016.80 : x
  2. Step 2: Convert to fraction form
    397,557.60/596,163.60 = 117,016.80/x
  3. Step 3: Cross multiply
    397,557.60x = 596,163.60 × 117,016.80
  4. Step 4: Simplify right side
    397,557.60x = 69,761,156,748.48
  5. Step 5: Solve for x
    x = 69,761,156,748.48/397,557.60
  6. Step 6: Final answer
    x = 175,474.34

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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.