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Finding the Fourth Proportional to 481,317.48, 664,242.57 and 277,401.60

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Solution

The fourth proportional to 481,317.48, 664,242.57 and 277,401.60 is: 382,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,317.48 : 664,242.57 = 277,401.60 : x
  2. Step 2: Convert to fraction form
    481,317.48/664,242.57 = 277,401.60/x
  3. Step 3: Cross multiply
    481,317.48x = 664,242.57 × 277,401.60
  4. Step 4: Simplify right side
    481,317.48x = 184,261,951,706.11
  5. Step 5: Solve for x
    x = 184,261,951,706.11/481,317.48
  6. Step 6: Final answer
    x = 382,828.30

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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.