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Finding the Fourth Proportional to 323,383.76, 446,240.64 and 180,140.73

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Solution

The fourth proportional to 323,383.76, 446,240.64 and 180,140.73 is: 248,578.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,383.76 : 446,240.64 = 180,140.73 : x
  2. Step 2: Convert to fraction form
    323,383.76/446,240.64 = 180,140.73/x
  3. Step 3: Cross multiply
    323,383.76x = 446,240.64 × 180,140.73
  4. Step 4: Simplify right side
    323,383.76x = 80,386,114,645.27
  5. Step 5: Solve for x
    x = 80,386,114,645.27/323,383.76
  6. Step 6: Final answer
    x = 248,578.08

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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.