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Finding the Fourth Proportional to 323,645.11, 446,620.95 and 180,402.07

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Solution

The fourth proportional to 323,645.11, 446,620.95 and 180,402.07 is: 248,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,645.11 : 446,620.95 = 180,402.07 : x
  2. Step 2: Convert to fraction form
    323,645.11/446,620.95 = 180,402.07/x
  3. Step 3: Cross multiply
    323,645.11x = 446,620.95 × 180,402.07
  4. Step 4: Simplify right side
    323,645.11x = 80,571,343,885.37
  5. Step 5: Solve for x
    x = 80,571,343,885.37/323,645.11
  6. Step 6: Final answer
    x = 248,949.67

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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.