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Finding the Fourth Proportional to 500,870.52, 751,393.26 and 220,380.48

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Solution

The fourth proportional to 500,870.52, 751,393.26 and 220,380.48 is: 330,609.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,870.52 : 751,393.26 = 220,380.48 : x
  2. Step 2: Convert to fraction form
    500,870.52/751,393.26 = 220,380.48/x
  3. Step 3: Cross multiply
    500,870.52x = 751,393.26 × 220,380.48
  4. Step 4: Simplify right side
    500,870.52x = 165,592,407,307.57
  5. Step 5: Solve for x
    x = 165,592,407,307.57/500,870.52
  6. Step 6: Final answer
    x = 330,609.21

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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.