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Finding the Fourth Proportional to 271,407.40, 407,111.10 and 246,475.60

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Solution

The fourth proportional to 271,407.40, 407,111.10 and 246,475.60 is: 369,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,407.40 : 407,111.10 = 246,475.60 : x
  2. Step 2: Convert to fraction form
    271,407.40/407,111.10 = 246,475.60/x
  3. Step 3: Cross multiply
    271,407.40x = 407,111.10 × 246,475.60
  4. Step 4: Simplify right side
    271,407.40x = 100,342,952,639.16
  5. Step 5: Solve for x
    x = 100,342,952,639.16/271,407.40
  6. Step 6: Final answer
    x = 369,713.40

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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.