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Finding the Fourth Proportional to 323,160.14, 484,490.43 and 163,153.72

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Solution

The fourth proportional to 323,160.14, 484,490.43 and 163,153.72 is: 244,604.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,160.14 : 484,490.43 = 163,153.72 : x
  2. Step 2: Convert to fraction form
    323,160.14/484,490.43 = 163,153.72/x
  3. Step 3: Cross multiply
    323,160.14x = 484,490.43 × 163,153.72
  4. Step 4: Simplify right side
    323,160.14x = 79,046,415,958.90
  5. Step 5: Solve for x
    x = 79,046,415,958.90/323,160.14
  6. Step 6: Final answer
    x = 244,604.47

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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.