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Finding the Fourth Proportional to 436,476.45, 654,874.60 and 183,820.54

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Solution

The fourth proportional to 436,476.45, 654,874.60 and 183,820.54 is: 275,798.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,476.45 : 654,874.60 = 183,820.54 : x
  2. Step 2: Convert to fraction form
    436,476.45/654,874.60 = 183,820.54/x
  3. Step 3: Cross multiply
    436,476.45x = 654,874.60 × 183,820.54
  4. Step 4: Simplify right side
    436,476.45x = 120,379,402,604.28
  5. Step 5: Solve for x
    x = 120,379,402,604.28/436,476.45
  6. Step 6: Final answer
    x = 275,798.16

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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.