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Finding the Fourth Proportional to 436,989.33, 655,325.44 and 152,600.05

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Solution

The fourth proportional to 436,989.33, 655,325.44 and 152,600.05 is: 228,844.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,989.33 : 655,325.44 = 152,600.05 : x
  2. Step 2: Convert to fraction form
    436,989.33/655,325.44 = 152,600.05/x
  3. Step 3: Cross multiply
    436,989.33x = 655,325.44 × 152,600.05
  4. Step 4: Simplify right side
    436,989.33x = 100,002,695,347.93
  5. Step 5: Solve for x
    x = 100,002,695,347.93/436,989.33
  6. Step 6: Final answer
    x = 228,844.71

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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.