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Finding the Fourth Proportional to 436,137.24, 654,205.62 and 116,289.24

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Solution

The fourth proportional to 436,137.24, 654,205.62 and 116,289.24 is: 174,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,137.24 : 654,205.62 = 116,289.24 : x
  2. Step 2: Convert to fraction form
    436,137.24/654,205.62 = 116,289.24/x
  3. Step 3: Cross multiply
    436,137.24x = 654,205.62 × 116,289.24
  4. Step 4: Simplify right side
    436,137.24x = 76,077,074,353.53
  5. Step 5: Solve for x
    x = 76,077,074,353.53/436,137.24
  6. Step 6: Final answer
    x = 174,433.80

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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.