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Finding the Fourth Proportional to 436,205.72, 654,355.50 and 183,511.94

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Solution

The fourth proportional to 436,205.72, 654,355.50 and 183,511.94 is: 275,287.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,205.72 : 654,355.50 = 183,511.94 : x
  2. Step 2: Convert to fraction form
    436,205.72/654,355.50 = 183,511.94/x
  3. Step 3: Cross multiply
    436,205.72x = 654,355.50 × 183,511.94
  4. Step 4: Simplify right side
    436,205.72x = 120,082,047,254.67
  5. Step 5: Solve for x
    x = 120,082,047,254.67/436,205.72
  6. Step 6: Final answer
    x = 275,287.65

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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.