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Finding the Fourth Proportional to 323,553.45, 446,508.14 and 180,308.60

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Solution

The fourth proportional to 323,553.45, 446,508.14 and 180,308.60 is: 248,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,553.45 : 446,508.14 = 180,308.60 : x
  2. Step 2: Convert to fraction form
    323,553.45/446,508.14 = 180,308.60/x
  3. Step 3: Cross multiply
    323,553.45x = 446,508.14 × 180,308.60
  4. Step 4: Simplify right side
    323,553.45x = 80,509,254,477.92
  5. Step 5: Solve for x
    x = 80,509,254,477.92/323,553.45
  6. Step 6: Final answer
    x = 248,828.30

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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.