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Finding the Fourth Proportional to 371,069.87, 511,848.59 and 327,910.84

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Solution

The fourth proportional to 371,069.87, 511,848.59 and 327,910.84 is: 452,315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,069.87 : 511,848.59 = 327,910.84 : x
  2. Step 2: Convert to fraction form
    371,069.87/511,848.59 = 327,910.84/x
  3. Step 3: Cross multiply
    371,069.87x = 511,848.59 × 327,910.84
  4. Step 4: Simplify right side
    371,069.87x = 167,840,698,180.54
  5. Step 5: Solve for x
    x = 167,840,698,180.54/371,069.87
  6. Step 6: Final answer
    x = 452,315.63

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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.