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Finding the Fourth Proportional to 461,843.80, 692,765.70 and 404,704.60

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Solution

The fourth proportional to 461,843.80, 692,765.70 and 404,704.60 is: 607,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,843.80 : 692,765.70 = 404,704.60 : x
  2. Step 2: Convert to fraction form
    461,843.80/692,765.70 = 404,704.60/x
  3. Step 3: Cross multiply
    461,843.80x = 692,765.70 × 404,704.60
  4. Step 4: Simplify right side
    461,843.80x = 280,365,465,512.22
  5. Step 5: Solve for x
    x = 280,365,465,512.22/461,843.80
  6. Step 6: Final answer
    x = 607,056.90

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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.