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Finding the Fourth Proportional to 329,228.74, 493,327.95 and 254,532.97

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Solution

The fourth proportional to 329,228.74, 493,327.95 and 254,532.97 is: 381,401.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,228.74 : 493,327.95 = 254,532.97 : x
  2. Step 2: Convert to fraction form
    329,228.74/493,327.95 = 254,532.97/x
  3. Step 3: Cross multiply
    329,228.74x = 493,327.95 × 254,532.97
  4. Step 4: Simplify right side
    329,228.74x = 125,568,228,297.51
  5. Step 5: Solve for x
    x = 125,568,228,297.51/329,228.74
  6. Step 6: Final answer
    x = 381,401.18

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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.