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Finding the Fourth Proportional to 497,014.35, 685,887.68 and 270,659.67

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Solution

The fourth proportional to 497,014.35, 685,887.68 and 270,659.67 is: 373,514.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,014.35 : 685,887.68 = 270,659.67 : x
  2. Step 2: Convert to fraction form
    497,014.35/685,887.68 = 270,659.67/x
  3. Step 3: Cross multiply
    497,014.35x = 685,887.68 × 270,659.67
  4. Step 4: Simplify right side
    497,014.35x = 185,642,131,772.57
  5. Step 5: Solve for x
    x = 185,642,131,772.57/497,014.35
  6. Step 6: Final answer
    x = 373,514.63

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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.