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Finding the Fourth Proportional to 323,479.36, 446,415.24 and 180,239.50

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Solution

The fourth proportional to 323,479.36, 446,415.24 and 180,239.50 is: 248,738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,479.36 : 446,415.24 = 180,239.50 : x
  2. Step 2: Convert to fraction form
    323,479.36/446,415.24 = 180,239.50/x
  3. Step 3: Cross multiply
    323,479.36x = 446,415.24 × 180,239.50
  4. Step 4: Simplify right side
    323,479.36x = 80,461,659,649.98
  5. Step 5: Solve for x
    x = 80,461,659,649.98/323,479.36
  6. Step 6: Final answer
    x = 248,738.16

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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.