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Finding the Fourth Proportional to 605,811.64, 836,017.32 and 333,878.94

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Solution

The fourth proportional to 605,811.64, 836,017.32 and 333,878.94 is: 460,751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,811.64 : 836,017.32 = 333,878.94 : x
  2. Step 2: Convert to fraction form
    605,811.64/836,017.32 = 333,878.94/x
  3. Step 3: Cross multiply
    605,811.64x = 836,017.32 × 333,878.94
  4. Step 4: Simplify right side
    605,811.64x = 279,128,576,623.24
  5. Step 5: Solve for x
    x = 279,128,576,623.24/605,811.64
  6. Step 6: Final answer
    x = 460,751.43

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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.