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Finding the Fourth Proportional to 605,880.94, 836,111.96 and 330,238.48

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Solution

The fourth proportional to 605,880.94, 836,111.96 and 330,238.48 is: 455,727.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,880.94 : 836,111.96 = 330,238.48 : x
  2. Step 2: Convert to fraction form
    605,880.94/836,111.96 = 330,238.48/x
  3. Step 3: Cross multiply
    605,880.94x = 836,111.96 × 330,238.48
  4. Step 4: Simplify right side
    605,880.94x = 276,116,342,780.22
  5. Step 5: Solve for x
    x = 276,116,342,780.22/605,880.94
  6. Step 6: Final answer
    x = 455,727.07

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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.