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Finding the Fourth Proportional to 363,722.02, 545,584.06 and 127,064.70

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Solution

The fourth proportional to 363,722.02, 545,584.06 and 127,064.70 is: 190,597.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,722.02 : 545,584.06 = 127,064.70 : x
  2. Step 2: Convert to fraction form
    363,722.02/545,584.06 = 127,064.70/x
  3. Step 3: Cross multiply
    363,722.02x = 545,584.06 × 127,064.70
  4. Step 4: Simplify right side
    363,722.02x = 69,324,474,352.77
  5. Step 5: Solve for x
    x = 69,324,474,352.77/363,722.02
  6. Step 6: Final answer
    x = 190,597.41

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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.