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Finding the Fourth Proportional to 436,901.58, 655,368.50 and 196,968.58

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Solution

The fourth proportional to 436,901.58, 655,368.50 and 196,968.58 is: 295,460.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,901.58 : 655,368.50 = 196,968.58 : x
  2. Step 2: Convert to fraction form
    436,901.58/655,368.50 = 196,968.58/x
  3. Step 3: Cross multiply
    436,901.58x = 655,368.50 × 196,968.58
  4. Step 4: Simplify right side
    436,901.58x = 129,087,001,675.73
  5. Step 5: Solve for x
    x = 129,087,001,675.73/436,901.58
  6. Step 6: Final answer
    x = 295,460.14

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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.