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Finding the Fourth Proportional to 436,573.24, 654,860.04 and 196,406.62

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Solution

The fourth proportional to 436,573.24, 654,860.04 and 196,406.62 is: 294,610.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,573.24 : 654,860.04 = 196,406.62 : x
  2. Step 2: Convert to fraction form
    436,573.24/654,860.04 = 196,406.62/x
  3. Step 3: Cross multiply
    436,573.24x = 654,860.04 × 196,406.62
  4. Step 4: Simplify right side
    436,573.24x = 128,618,847,029.47
  5. Step 5: Solve for x
    x = 128,618,847,029.47/436,573.24
  6. Step 6: Final answer
    x = 294,610.01

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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.