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Finding the Fourth Proportional to 455,090.40, 682,635.60 and 295,658.10

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Solution

The fourth proportional to 455,090.40, 682,635.60 and 295,658.10 is: 443,487.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,090.40 : 682,635.60 = 295,658.10 : x
  2. Step 2: Convert to fraction form
    455,090.40/682,635.60 = 295,658.10/x
  3. Step 3: Cross multiply
    455,090.40x = 682,635.60 × 295,658.10
  4. Step 4: Simplify right side
    455,090.40x = 201,826,744,488.36
  5. Step 5: Solve for x
    x = 201,826,744,488.36/455,090.40
  6. Step 6: Final answer
    x = 443,487.15

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Similar ratio
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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.