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Finding the Fourth Proportional to 436,107.42, 654,414.90 and 183,369.60

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Solution

The fourth proportional to 436,107.42, 654,414.90 and 183,369.60 is: 275,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,107.42 : 654,414.90 = 183,369.60 : x
  2. Step 2: Convert to fraction form
    436,107.42/654,414.90 = 183,369.60/x
  3. Step 3: Cross multiply
    436,107.42x = 654,414.90 × 183,369.60
  4. Step 4: Simplify right side
    436,107.42x = 119,999,798,447.04
  5. Step 5: Solve for x
    x = 119,999,798,447.04/436,107.42
  6. Step 6: Final answer
    x = 275,161.10

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1.5x scale

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.