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Finding the Fourth Proportional to 436,984.88, 655,477.52 and 121,444.52

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Solution

The fourth proportional to 436,984.88, 655,477.52 and 121,444.52 is: 182,166.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,984.88 : 655,477.52 = 121,444.52 : x
  2. Step 2: Convert to fraction form
    436,984.88/655,477.52 = 121,444.52/x
  3. Step 3: Cross multiply
    436,984.88x = 655,477.52 × 121,444.52
  4. Step 4: Simplify right side
    436,984.88x = 79,604,148,902.58
  5. Step 5: Solve for x
    x = 79,604,148,902.58/436,984.88
  6. Step 6: Final answer
    x = 182,166.83

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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.