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Finding the Fourth Proportional to 367,097.05, 515,116.85 and 367,097.05

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Solution

The fourth proportional to 367,097.05, 515,116.85 and 367,097.05 is: 515,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,097.05 : 515,116.85 = 367,097.05 : x
  2. Step 2: Convert to fraction form
    367,097.05/515,116.85 = 367,097.05/x
  3. Step 3: Cross multiply
    367,097.05x = 515,116.85 × 367,097.05
  4. Step 4: Simplify right side
    367,097.05x = 189,097,876,040.29
  5. Step 5: Solve for x
    x = 189,097,876,040.29/367,097.05
  6. Step 6: Final answer
    x = 515,116.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.