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Finding the Fourth Proportional to 454,667.70, 682,001.55 and 384,683.70

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Solution

The fourth proportional to 454,667.70, 682,001.55 and 384,683.70 is: 577,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,667.70 : 682,001.55 = 384,683.70 : x
  2. Step 2: Convert to fraction form
    454,667.70/682,001.55 = 384,683.70/x
  3. Step 3: Cross multiply
    454,667.70x = 682,001.55 × 384,683.70
  4. Step 4: Simplify right side
    454,667.70x = 262,354,879,659.74
  5. Step 5: Solve for x
    x = 262,354,879,659.74/454,667.70
  6. Step 6: Final answer
    x = 577,025.55

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Similar ratio
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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.