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Finding the Fourth Proportional to 323,391.33, 446,293.80 and 180,151.34

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Solution

The fourth proportional to 323,391.33, 446,293.80 and 180,151.34 is: 248,616.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,391.33 : 446,293.80 = 180,151.34 : x
  2. Step 2: Convert to fraction form
    323,391.33/446,293.80 = 180,151.34/x
  3. Step 3: Cross multiply
    323,391.33x = 446,293.80 × 180,151.34
  4. Step 4: Simplify right side
    323,391.33x = 80,400,423,872.22
  5. Step 5: Solve for x
    x = 80,400,423,872.22/323,391.33
  6. Step 6: Final answer
    x = 248,616.51

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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.