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Finding the Fourth Proportional to 349,906.71, 483,103.68 and 269,191.83

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Solution

The fourth proportional to 349,906.71, 483,103.68 and 269,191.83 is: 371,663.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,906.71 : 483,103.68 = 269,191.83 : x
  2. Step 2: Convert to fraction form
    349,906.71/483,103.68 = 269,191.83/x
  3. Step 3: Cross multiply
    349,906.71x = 483,103.68 × 269,191.83
  4. Step 4: Simplify right side
    349,906.71x = 130,047,563,698.93
  5. Step 5: Solve for x
    x = 130,047,563,698.93/349,906.71
  6. Step 6: Final answer
    x = 371,663.53

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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.