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Finding the Fourth Proportional to 550,223.46, 759,443.31 and 335,481.84

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Solution

The fourth proportional to 550,223.46, 759,443.31 and 335,481.84 is: 463,047.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,223.46 : 759,443.31 = 335,481.84 : x
  2. Step 2: Convert to fraction form
    550,223.46/759,443.31 = 335,481.84/x
  3. Step 3: Cross multiply
    550,223.46x = 759,443.31 × 335,481.84
  4. Step 4: Simplify right side
    550,223.46x = 254,779,439,014.49
  5. Step 5: Solve for x
    x = 254,779,439,014.49/550,223.46
  6. Step 6: Final answer
    x = 463,047.21

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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.