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Finding the Fourth Proportional to 349,910.84, 483,109.38 and 269,195.96

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Solution

The fourth proportional to 349,910.84, 483,109.38 and 269,195.96 is: 371,669.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,910.84 : 483,109.38 = 269,195.96 : x
  2. Step 2: Convert to fraction form
    349,910.84/483,109.38 = 269,195.96/x
  3. Step 3: Cross multiply
    349,910.84x = 483,109.38 × 269,195.96
  4. Step 4: Simplify right side
    349,910.84x = 130,051,093,334.11
  5. Step 5: Solve for x
    x = 130,051,093,334.11/349,910.84
  6. Step 6: Final answer
    x = 371,669.23

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1.5x scale

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.