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Finding the Fourth Proportional to 268,859.20, 403,483.20 and 150,404.80

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Solution

The fourth proportional to 268,859.20, 403,483.20 and 150,404.80 is: 225,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,859.20 : 403,483.20 = 150,404.80 : x
  2. Step 2: Convert to fraction form
    268,859.20/403,483.20 = 150,404.80/x
  3. Step 3: Cross multiply
    268,859.20x = 403,483.20 × 150,404.80
  4. Step 4: Simplify right side
    268,859.20x = 60,685,809,999.36
  5. Step 5: Solve for x
    x = 60,685,809,999.36/268,859.20
  6. Step 6: Final answer
    x = 225,715.95

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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.