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Finding the Fourth Proportional to 325,384.62, 448,799.31 and 298,613.58

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Solution

The fourth proportional to 325,384.62, 448,799.31 and 298,613.58 is: 411,874.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,384.62 : 448,799.31 = 298,613.58 : x
  2. Step 2: Convert to fraction form
    325,384.62/448,799.31 = 298,613.58/x
  3. Step 3: Cross multiply
    325,384.62x = 448,799.31 × 298,613.58
  4. Step 4: Simplify right side
    325,384.62x = 134,017,568,660.63
  5. Step 5: Solve for x
    x = 134,017,568,660.63/325,384.62
  6. Step 6: Final answer
    x = 411,874.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.