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Finding the Fourth Proportional to 339,448.56, 508,397.76 and 162,080.08

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Solution

The fourth proportional to 339,448.56, 508,397.76 and 162,080.08 is: 242,750.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,448.56 : 508,397.76 = 162,080.08 : x
  2. Step 2: Convert to fraction form
    339,448.56/508,397.76 = 162,080.08/x
  3. Step 3: Cross multiply
    339,448.56x = 508,397.76 × 162,080.08
  4. Step 4: Simplify right side
    339,448.56x = 82,401,149,612.62
  5. Step 5: Solve for x
    x = 82,401,149,612.62/339,448.56
  6. Step 6: Final answer
    x = 242,750.03

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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.