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Finding the Fourth Proportional to 348,888.31, 522,315.74 and 259,327.73

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Solution

The fourth proportional to 348,888.31, 522,315.74 and 259,327.73 is: 388,235.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,888.31 : 522,315.74 = 259,327.73 : x
  2. Step 2: Convert to fraction form
    348,888.31/522,315.74 = 259,327.73/x
  3. Step 3: Cross multiply
    348,888.31x = 522,315.74 × 259,327.73
  4. Step 4: Simplify right side
    348,888.31x = 135,450,954,213.55
  5. Step 5: Solve for x
    x = 135,450,954,213.55/348,888.31
  6. Step 6: Final answer
    x = 388,235.86

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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.