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Finding the Fourth Proportional to 349,909.84, 483,108 and 269,194.96

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Solution

The fourth proportional to 349,909.84, 483,108 and 269,194.96 is: 371,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,909.84 : 483,108 = 269,194.96 : x
  2. Step 2: Convert to fraction form
    349,909.84/483,108 = 269,194.96/x
  3. Step 3: Cross multiply
    349,909.84x = 483,108 × 269,194.96
  4. Step 4: Simplify right side
    349,909.84x = 130,050,238,735.68
  5. Step 5: Solve for x
    x = 130,050,238,735.68/349,909.84
  6. Step 6: Final answer
    x = 371,667.85

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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.