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Finding the Fourth Proportional to 297,861.38, 411,048.71 and 163,725.38

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Solution

The fourth proportional to 297,861.38, 411,048.71 and 163,725.38 is: 225,941.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,861.38 : 411,048.71 = 163,725.38 : x
  2. Step 2: Convert to fraction form
    297,861.38/411,048.71 = 163,725.38/x
  3. Step 3: Cross multiply
    297,861.38x = 411,048.71 × 163,725.38
  4. Step 4: Simplify right side
    297,861.38x = 67,299,103,369.39
  5. Step 5: Solve for x
    x = 67,299,103,369.39/297,861.38
  6. Step 6: Final answer
    x = 225,941.02

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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.