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Finding the Fourth Proportional to 308,975.26, 463,638.22 and 166,818.64

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Solution

The fourth proportional to 308,975.26, 463,638.22 and 166,818.64 is: 250,322.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,975.26 : 463,638.22 = 166,818.64 : x
  2. Step 2: Convert to fraction form
    308,975.26/463,638.22 = 166,818.64/x
  3. Step 3: Cross multiply
    308,975.26x = 463,638.22 × 166,818.64
  4. Step 4: Simplify right side
    308,975.26x = 77,343,497,312.42
  5. Step 5: Solve for x
    x = 77,343,497,312.42/308,975.26
  6. Step 6: Final answer
    x = 250,322.62

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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.