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Finding the Fourth Proportional to 321,568.36, 480,010.51 and 297,851.56

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Solution

The fourth proportional to 321,568.36, 480,010.51 and 297,851.56 is: 444,608.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,568.36 : 480,010.51 = 297,851.56 : x
  2. Step 2: Convert to fraction form
    321,568.36/480,010.51 = 297,851.56/x
  3. Step 3: Cross multiply
    321,568.36x = 480,010.51 × 297,851.56
  4. Step 4: Simplify right side
    321,568.36x = 142,971,879,219.90
  5. Step 5: Solve for x
    x = 142,971,879,219.90/321,568.36
  6. Step 6: Final answer
    x = 444,608.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.