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Finding the Fourth Proportional to 513,446.68, 770,172.18 and 337,069.72

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Solution

The fourth proportional to 513,446.68, 770,172.18 and 337,069.72 is: 505,606.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,446.68 : 770,172.18 = 337,069.72 : x
  2. Step 2: Convert to fraction form
    513,446.68/770,172.18 = 337,069.72/x
  3. Step 3: Cross multiply
    513,446.68x = 770,172.18 × 337,069.72
  4. Step 4: Simplify right side
    513,446.68x = 259,601,721,064.39
  5. Step 5: Solve for x
    x = 259,601,721,064.39/513,446.68
  6. Step 6: Final answer
    x = 505,606.00

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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.