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Finding the Fourth Proportional to 436,083.70, 654,125.55 and 341,605.30

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Solution

The fourth proportional to 436,083.70, 654,125.55 and 341,605.30 is: 512,407.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,083.70 : 654,125.55 = 341,605.30 : x
  2. Step 2: Convert to fraction form
    436,083.70/654,125.55 = 341,605.30/x
  3. Step 3: Cross multiply
    436,083.70x = 654,125.55 × 341,605.30
  4. Step 4: Simplify right side
    436,083.70x = 223,452,754,745.42
  5. Step 5: Solve for x
    x = 223,452,754,745.42/436,083.70
  6. Step 6: Final answer
    x = 512,407.95

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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.