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Finding the Fourth Proportional to 483,620.42, 725,231.54 and 210,084.14

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Solution

The fourth proportional to 483,620.42, 725,231.54 and 210,084.14 is: 315,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,620.42 : 725,231.54 = 210,084.14 : x
  2. Step 2: Convert to fraction form
    483,620.42/725,231.54 = 210,084.14/x
  3. Step 3: Cross multiply
    483,620.42x = 725,231.54 × 210,084.14
  4. Step 4: Simplify right side
    483,620.42x = 152,359,644,381.78
  5. Step 5: Solve for x
    x = 152,359,644,381.78/483,620.42
  6. Step 6: Final answer
    x = 315,039.73

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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.