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Finding the Fourth Proportional to 349,910.48, 483,108.86 and 269,195.60

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Solution

The fourth proportional to 349,910.48, 483,108.86 and 269,195.60 is: 371,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,910.48 : 483,108.86 = 269,195.60 : x
  2. Step 2: Convert to fraction form
    349,910.48/483,108.86 = 269,195.60/x
  3. Step 3: Cross multiply
    349,910.48x = 483,108.86 × 269,195.60
  4. Step 4: Simplify right side
    349,910.48x = 130,050,779,433.02
  5. Step 5: Solve for x
    x = 130,050,779,433.02/349,910.48
  6. Step 6: Final answer
    x = 371,668.72

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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.