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Finding the Fourth Proportional to 455,634.10, 683,451.15 and 367,060.60

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Solution

The fourth proportional to 455,634.10, 683,451.15 and 367,060.60 is: 550,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,634.10 : 683,451.15 = 367,060.60 : x
  2. Step 2: Convert to fraction form
    455,634.10/683,451.15 = 367,060.60/x
  3. Step 3: Cross multiply
    455,634.10x = 683,451.15 × 367,060.60
  4. Step 4: Simplify right side
    455,634.10x = 250,867,989,189.69
  5. Step 5: Solve for x
    x = 250,867,989,189.69/455,634.10
  6. Step 6: Final answer
    x = 550,590.90

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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.