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Finding the Fourth Proportional to 436,594.14, 654,986.97 and 392,504.22

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Solution

The fourth proportional to 436,594.14, 654,986.97 and 392,504.22 is: 588,842.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,594.14 : 654,986.97 = 392,504.22 : x
  2. Step 2: Convert to fraction form
    436,594.14/654,986.97 = 392,504.22/x
  3. Step 3: Cross multiply
    436,594.14x = 654,986.97 × 392,504.22
  4. Step 4: Simplify right side
    436,594.14x = 257,085,149,770.01
  5. Step 5: Solve for x
    x = 257,085,149,770.01/436,594.14
  6. Step 6: Final answer
    x = 588,842.42

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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.