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Finding the Fourth Proportional to 299,401.80, 449,102.70 and 181,303.80

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Solution

The fourth proportional to 299,401.80, 449,102.70 and 181,303.80 is: 271,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,401.80 : 449,102.70 = 181,303.80 : x
  2. Step 2: Convert to fraction form
    299,401.80/449,102.70 = 181,303.80/x
  3. Step 3: Cross multiply
    299,401.80x = 449,102.70 × 181,303.80
  4. Step 4: Simplify right side
    299,401.80x = 81,424,026,100.26
  5. Step 5: Solve for x
    x = 81,424,026,100.26/299,401.80
  6. Step 6: Final answer
    x = 271,955.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.