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Finding the Fourth Proportional to 367,054.55, 515,057.35 and 367,054.55

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Solution

The fourth proportional to 367,054.55, 515,057.35 and 367,054.55 is: 515,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,054.55 : 515,057.35 = 367,054.55 : x
  2. Step 2: Convert to fraction form
    367,054.55/515,057.35 = 367,054.55/x
  3. Step 3: Cross multiply
    367,054.55x = 515,057.35 × 367,054.55
  4. Step 4: Simplify right side
    367,054.55x = 189,054,143,828.44
  5. Step 5: Solve for x
    x = 189,054,143,828.44/367,054.55
  6. Step 6: Final answer
    x = 515,057.35

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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.