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Finding the Fourth Proportional to 448,573.60, 673,227.60 and 445,074.40

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Solution

The fourth proportional to 448,573.60, 673,227.60 and 445,074.40 is: 667,975.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,573.60 : 673,227.60 = 445,074.40 : x
  2. Step 2: Convert to fraction form
    448,573.60/673,227.60 = 445,074.40/x
  3. Step 3: Cross multiply
    448,573.60x = 673,227.60 × 445,074.40
  4. Step 4: Simplify right side
    448,573.60x = 299,636,370,133.44
  5. Step 5: Solve for x
    x = 299,636,370,133.44/448,573.60
  6. Step 6: Final answer
    x = 667,975.94

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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.