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Finding the Fourth Proportional to 271,880.10, 407,820.15 and 271,880.10

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Solution

The fourth proportional to 271,880.10, 407,820.15 and 271,880.10 is: 407,820.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,880.10 : 407,820.15 = 271,880.10 : x
  2. Step 2: Convert to fraction form
    271,880.10/407,820.15 = 271,880.10/x
  3. Step 3: Cross multiply
    271,880.10x = 407,820.15 × 271,880.10
  4. Step 4: Simplify right side
    271,880.10x = 110,878,183,164.02
  5. Step 5: Solve for x
    x = 110,878,183,164.02/271,880.10
  6. Step 6: Final answer
    x = 407,820.15

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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.