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Finding the Fourth Proportional to 366,978.55, 550,467.83 and 366,978.55

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Solution

The fourth proportional to 366,978.55, 550,467.83 and 366,978.55 is: 550,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,978.55 : 550,467.83 = 366,978.55 : x
  2. Step 2: Convert to fraction form
    366,978.55/550,467.83 = 366,978.55/x
  3. Step 3: Cross multiply
    366,978.55x = 550,467.83 × 366,978.55
  4. Step 4: Simplify right side
    366,978.55x = 202,009,886,075.05
  5. Step 5: Solve for x
    x = 202,009,886,075.05/366,978.55
  6. Step 6: Final answer
    x = 550,467.83

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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.