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Finding the Fourth Proportional to 323,021.44, 484,612.80 and 112,662.40

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Solution

The fourth proportional to 323,021.44, 484,612.80 and 112,662.40 is: 169,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,021.44 : 484,612.80 = 112,662.40 : x
  2. Step 2: Convert to fraction form
    323,021.44/484,612.80 = 112,662.40/x
  3. Step 3: Cross multiply
    323,021.44x = 484,612.80 × 112,662.40
  4. Step 4: Simplify right side
    323,021.44x = 54,597,641,118.72
  5. Step 5: Solve for x
    x = 54,597,641,118.72/323,021.44
  6. Step 6: Final answer
    x = 169,021.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.