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Finding the Fourth Proportional to 482,956.15, 724,556.55 and 341,078.62

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Solution

The fourth proportional to 482,956.15, 724,556.55 and 341,078.62 is: 511,704.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,956.15 : 724,556.55 = 341,078.62 : x
  2. Step 2: Convert to fraction form
    482,956.15/724,556.55 = 341,078.62/x
  3. Step 3: Cross multiply
    482,956.15x = 724,556.55 × 341,078.62
  4. Step 4: Simplify right side
    482,956.15x = 247,130,748,185.96
  5. Step 5: Solve for x
    x = 247,130,748,185.96/482,956.15
  6. Step 6: Final answer
    x = 511,704.33

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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.