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Finding the Fourth Proportional to 323,477, 446,401.19 and 178,287.94

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Solution

The fourth proportional to 323,477, 446,401.19 and 178,287.94 is: 246,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,477 : 446,401.19 = 178,287.94 : x
  2. Step 2: Convert to fraction form
    323,477/446,401.19 = 178,287.94/x
  3. Step 3: Cross multiply
    323,477x = 446,401.19 × 178,287.94
  4. Step 4: Simplify right side
    323,477x = 79,587,948,578.65
  5. Step 5: Solve for x
    x = 79,587,948,578.65/323,477
  6. Step 6: Final answer
    x = 246,038.97

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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.