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Finding the Fourth Proportional to 439,452.50, 606,371.55 and 276,083.60

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Solution

The fourth proportional to 439,452.50, 606,371.55 and 276,083.60 is: 380,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,452.50 : 606,371.55 = 276,083.60 : x
  2. Step 2: Convert to fraction form
    439,452.50/606,371.55 = 276,083.60/x
  3. Step 3: Cross multiply
    439,452.50x = 606,371.55 × 276,083.60
  4. Step 4: Simplify right side
    439,452.50x = 167,409,240,461.58
  5. Step 5: Solve for x
    x = 167,409,240,461.58/439,452.50
  6. Step 6: Final answer
    x = 380,949.57

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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.