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Finding the Fourth Proportional to 436,795.96, 655,197.62 and 121,277.48

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Solution

The fourth proportional to 436,795.96, 655,197.62 and 121,277.48 is: 181,917.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,795.96 : 655,197.62 = 121,277.48 : x
  2. Step 2: Convert to fraction form
    436,795.96/655,197.62 = 121,277.48/x
  3. Step 3: Cross multiply
    436,795.96x = 655,197.62 × 121,277.48
  4. Step 4: Simplify right side
    436,795.96x = 79,460,716,255.60
  5. Step 5: Solve for x
    x = 79,460,716,255.60/436,795.96
  6. Step 6: Final answer
    x = 181,917.24

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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.