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Finding the Fourth Proportional to 436,950.56, 655,425.54 and 121,407.32

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Solution

The fourth proportional to 436,950.56, 655,425.54 and 121,407.32 is: 182,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,950.56 : 655,425.54 = 121,407.32 : x
  2. Step 2: Convert to fraction form
    436,950.56/655,425.54 = 121,407.32/x
  3. Step 3: Cross multiply
    436,950.56x = 655,425.54 × 121,407.32
  4. Step 4: Simplify right side
    436,950.56x = 79,573,458,270.95
  5. Step 5: Solve for x
    x = 79,573,458,270.95/436,950.56
  6. Step 6: Final answer
    x = 182,110.90

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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.