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Finding the Fourth Proportional to 367,053.05, 515,055.25 and 367,053.05

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Solution

The fourth proportional to 367,053.05, 515,055.25 and 367,053.05 is: 515,055.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,053.05 : 515,055.25 = 367,053.05 : x
  2. Step 2: Convert to fraction form
    367,053.05/515,055.25 = 367,053.05/x
  3. Step 3: Cross multiply
    367,053.05x = 515,055.25 × 367,053.05
  4. Step 4: Simplify right side
    367,053.05x = 189,052,600,431.01
  5. Step 5: Solve for x
    x = 189,052,600,431.01/367,053.05
  6. Step 6: Final answer
    x = 515,055.25

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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.