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Finding the Fourth Proportional to 481,244.58, 663,954.84 and 277,290.23

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Solution

The fourth proportional to 481,244.58, 663,954.84 and 277,290.23 is: 382,566.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,244.58 : 663,954.84 = 277,290.23 : x
  2. Step 2: Convert to fraction form
    481,244.58/663,954.84 = 277,290.23/x
  3. Step 3: Cross multiply
    481,244.58x = 663,954.84 × 277,290.23
  4. Step 4: Simplify right side
    481,244.58x = 184,108,186,973.44
  5. Step 5: Solve for x
    x = 184,108,186,973.44/481,244.58
  6. Step 6: Final answer
    x = 382,566.78

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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.