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Finding the Fourth Proportional to 436,894.48, 655,337.94 and 121,350.88

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Solution

The fourth proportional to 436,894.48, 655,337.94 and 121,350.88 is: 182,025.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,894.48 : 655,337.94 = 121,350.88 : x
  2. Step 2: Convert to fraction form
    436,894.48/655,337.94 = 121,350.88/x
  3. Step 3: Cross multiply
    436,894.48x = 655,337.94 × 121,350.88
  4. Step 4: Simplify right side
    436,894.48x = 79,525,835,716.39
  5. Step 5: Solve for x
    x = 79,525,835,716.39/436,894.48
  6. Step 6: Final answer
    x = 182,025.27

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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.