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Finding the Fourth Proportional to 323,205.80, 446,022.50 and 179,967.40

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Solution

The fourth proportional to 323,205.80, 446,022.50 and 179,967.40 is: 248,354.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,205.80 : 446,022.50 = 179,967.40 : x
  2. Step 2: Convert to fraction form
    323,205.80/446,022.50 = 179,967.40/x
  3. Step 3: Cross multiply
    323,205.80x = 446,022.50 × 179,967.40
  4. Step 4: Simplify right side
    323,205.80x = 80,269,509,666.50
  5. Step 5: Solve for x
    x = 80,269,509,666.50/323,205.80
  6. Step 6: Final answer
    x = 248,354.17

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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.