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Finding the Fourth Proportional to 295,883.40, 443,825.10 and 169,912.20

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Solution

The fourth proportional to 295,883.40, 443,825.10 and 169,912.20 is: 254,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,883.40 : 443,825.10 = 169,912.20 : x
  2. Step 2: Convert to fraction form
    295,883.40/443,825.10 = 169,912.20/x
  3. Step 3: Cross multiply
    295,883.40x = 443,825.10 × 169,912.20
  4. Step 4: Simplify right side
    295,883.40x = 75,411,299,156.22
  5. Step 5: Solve for x
    x = 75,411,299,156.22/295,883.40
  6. Step 6: Final answer
    x = 254,868.30

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Similar ratio
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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.