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Finding the Fourth Proportional to 492,096.84, 679,090.56 and 277,305.90

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Solution

The fourth proportional to 492,096.84, 679,090.56 and 277,305.90 is: 382,680.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,096.84 : 679,090.56 = 277,305.90 : x
  2. Step 2: Convert to fraction form
    492,096.84/679,090.56 = 277,305.90/x
  3. Step 3: Cross multiply
    492,096.84x = 679,090.56 × 277,305.90
  4. Step 4: Simplify right side
    492,096.84x = 188,315,818,922.30
  5. Step 5: Solve for x
    x = 188,315,818,922.30/492,096.84
  6. Step 6: Final answer
    x = 382,680.41

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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.