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Finding the Fourth Proportional to 366,978.05, 550,467.08 and 366,978.05

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Solution

The fourth proportional to 366,978.05, 550,467.08 and 366,978.05 is: 550,467.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,978.05 : 550,467.08 = 366,978.05 : x
  2. Step 2: Convert to fraction form
    366,978.05/550,467.08 = 366,978.05/x
  3. Step 3: Cross multiply
    366,978.05x = 550,467.08 × 366,978.05
  4. Step 4: Simplify right side
    366,978.05x = 202,009,335,607.59
  5. Step 5: Solve for x
    x = 202,009,335,607.59/366,978.05
  6. Step 6: Final answer
    x = 550,467.08

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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.