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Finding the Fourth Proportional to 488,296.70, 673,833.75 and 270,496.40

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Solution

The fourth proportional to 488,296.70, 673,833.75 and 270,496.40 is: 373,276.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,296.70 : 673,833.75 = 270,496.40 : x
  2. Step 2: Convert to fraction form
    488,296.70/673,833.75 = 270,496.40/x
  3. Step 3: Cross multiply
    488,296.70x = 673,833.75 × 270,496.40
  4. Step 4: Simplify right side
    488,296.70x = 182,269,603,573.50
  5. Step 5: Solve for x
    x = 182,269,603,573.50/488,296.70
  6. Step 6: Final answer
    x = 373,276.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.