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Finding the Fourth Proportional to 269,401.80, 404,102.70 and 216,913.80

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Solution

The fourth proportional to 269,401.80, 404,102.70 and 216,913.80 is: 325,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,401.80 : 404,102.70 = 216,913.80 : x
  2. Step 2: Convert to fraction form
    269,401.80/404,102.70 = 216,913.80/x
  3. Step 3: Cross multiply
    269,401.80x = 404,102.70 × 216,913.80
  4. Step 4: Simplify right side
    269,401.80x = 87,655,452,247.26
  5. Step 5: Solve for x
    x = 87,655,452,247.26/269,401.80
  6. Step 6: Final answer
    x = 325,370.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.