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Finding the Fourth Proportional to 500,862.50, 751,381.24 and 220,372.46

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Solution

The fourth proportional to 500,862.50, 751,381.24 and 220,372.46 is: 330,597.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,862.50 : 751,381.24 = 220,372.46 : x
  2. Step 2: Convert to fraction form
    500,862.50/751,381.24 = 220,372.46/x
  3. Step 3: Cross multiply
    500,862.50x = 751,381.24 × 220,372.46
  4. Step 4: Simplify right side
    500,862.50x = 165,583,732,256.65
  5. Step 5: Solve for x
    x = 165,583,732,256.65/500,862.50
  6. Step 6: Final answer
    x = 330,597.18

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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.