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Finding the Fourth Proportional to 323,379.68, 446,277.40 and 180,139.68

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Solution

The fourth proportional to 323,379.68, 446,277.40 and 180,139.68 is: 248,600.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,379.68 : 446,277.40 = 180,139.68 : x
  2. Step 2: Convert to fraction form
    323,379.68/446,277.40 = 180,139.68/x
  3. Step 3: Cross multiply
    323,379.68x = 446,277.40 × 180,139.68
  4. Step 4: Simplify right side
    323,379.68x = 80,392,267,576.88
  5. Step 5: Solve for x
    x = 80,392,267,576.88/323,379.68
  6. Step 6: Final answer
    x = 248,600.25

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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.