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Finding the Fourth Proportional to 567,078.40, 850,617.60 and 366,311.80

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Solution

The fourth proportional to 567,078.40, 850,617.60 and 366,311.80 is: 549,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,078.40 : 850,617.60 = 366,311.80 : x
  2. Step 2: Convert to fraction form
    567,078.40/850,617.60 = 366,311.80/x
  3. Step 3: Cross multiply
    567,078.40x = 850,617.60 × 366,311.80
  4. Step 4: Simplify right side
    567,078.40x = 311,591,264,167.68
  5. Step 5: Solve for x
    x = 311,591,264,167.68/567,078.40
  6. Step 6: Final answer
    x = 549,467.70

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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.