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Finding the Fourth Proportional to 271,812.60, 407,718.90 and 250,817.40

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Solution

The fourth proportional to 271,812.60, 407,718.90 and 250,817.40 is: 376,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,812.60 : 407,718.90 = 250,817.40 : x
  2. Step 2: Convert to fraction form
    271,812.60/407,718.90 = 250,817.40/x
  3. Step 3: Cross multiply
    271,812.60x = 407,718.90 × 250,817.40
  4. Step 4: Simplify right side
    271,812.60x = 102,262,994,428.86
  5. Step 5: Solve for x
    x = 102,262,994,428.86/271,812.60
  6. Step 6: Final answer
    x = 376,226.10

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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.