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Finding the Fourth Proportional to 605,846.76, 836,065.80 and 330,204.15

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Solution

The fourth proportional to 605,846.76, 836,065.80 and 330,204.15 is: 455,680.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,846.76 : 836,065.80 = 330,204.15 : x
  2. Step 2: Convert to fraction form
    605,846.76/836,065.80 = 330,204.15/x
  3. Step 3: Cross multiply
    605,846.76x = 836,065.80 × 330,204.15
  4. Step 4: Simplify right side
    605,846.76x = 276,072,396,833.07
  5. Step 5: Solve for x
    x = 276,072,396,833.07/605,846.76
  6. Step 6: Final answer
    x = 455,680.24

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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.