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Finding the Fourth Proportional to 308,181.53, 460,015.48 and 271,780.20

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Solution

The fourth proportional to 308,181.53, 460,015.48 and 271,780.20 is: 405,680.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,181.53 : 460,015.48 = 271,780.20 : x
  2. Step 2: Convert to fraction form
    308,181.53/460,015.48 = 271,780.20/x
  3. Step 3: Cross multiply
    308,181.53x = 460,015.48 × 271,780.20
  4. Step 4: Simplify right side
    308,181.53x = 125,023,097,328.01
  5. Step 5: Solve for x
    x = 125,023,097,328.01/308,181.53
  6. Step 6: Final answer
    x = 405,680.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.