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Finding the Fourth Proportional to 463,684.78, 695,056.60 and 263,591.70

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Solution

The fourth proportional to 463,684.78, 695,056.60 and 263,591.70 is: 395,120.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,684.78 : 695,056.60 = 263,591.70 : x
  2. Step 2: Convert to fraction form
    463,684.78/695,056.60 = 263,591.70/x
  3. Step 3: Cross multiply
    463,684.78x = 695,056.60 × 263,591.70
  4. Step 4: Simplify right side
    463,684.78x = 183,211,150,790.22
  5. Step 5: Solve for x
    x = 183,211,150,790.22/463,684.78
  6. Step 6: Final answer
    x = 395,120.04

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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.