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Finding the Fourth Proportional to 495,649.56, 683,987.96 and 269,293.44

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Solution

The fourth proportional to 495,649.56, 683,987.96 and 269,293.44 is: 371,620.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,649.56 : 683,987.96 = 269,293.44 : x
  2. Step 2: Convert to fraction form
    495,649.56/683,987.96 = 269,293.44/x
  3. Step 3: Cross multiply
    495,649.56x = 683,987.96 × 269,293.44
  4. Step 4: Simplify right side
    495,649.56x = 184,193,470,666.98
  5. Step 5: Solve for x
    x = 184,193,470,666.98/495,649.56
  6. Step 6: Final answer
    x = 371,620.37

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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.