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Finding the Fourth Proportional to 271,805.60, 407,708.40 and 246,436.40

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Solution

The fourth proportional to 271,805.60, 407,708.40 and 246,436.40 is: 369,654.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,805.60 : 407,708.40 = 246,436.40 : x
  2. Step 2: Convert to fraction form
    271,805.60/407,708.40 = 246,436.40/x
  3. Step 3: Cross multiply
    271,805.60x = 407,708.40 × 246,436.40
  4. Step 4: Simplify right side
    271,805.60x = 100,474,190,345.76
  5. Step 5: Solve for x
    x = 100,474,190,345.76/271,805.60
  6. Step 6: Final answer
    x = 369,654.60

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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.