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Finding the Fourth Proportional to 500,659.39, 751,064.46 and 145,626.67

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Solution

The fourth proportional to 500,659.39, 751,064.46 and 145,626.67 is: 218,461.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,659.39 : 751,064.46 = 145,626.67 : x
  2. Step 2: Convert to fraction form
    500,659.39/751,064.46 = 145,626.67/x
  3. Step 3: Cross multiply
    500,659.39x = 751,064.46 × 145,626.67
  4. Step 4: Simplify right side
    500,659.39x = 109,375,016,265.15
  5. Step 5: Solve for x
    x = 109,375,016,265.15/500,659.39
  6. Step 6: Final answer
    x = 218,461.93

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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.