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Finding the Fourth Proportional to 368,273.08, 552,480.90 and 143,624.44

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Solution

The fourth proportional to 368,273.08, 552,480.90 and 143,624.44 is: 215,464.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,273.08 : 552,480.90 = 143,624.44 : x
  2. Step 2: Convert to fraction form
    368,273.08/552,480.90 = 143,624.44/x
  3. Step 3: Cross multiply
    368,273.08x = 552,480.90 × 143,624.44
  4. Step 4: Simplify right side
    368,273.08x = 79,349,759,873.20
  5. Step 5: Solve for x
    x = 79,349,759,873.20/368,273.08
  6. Step 6: Final answer
    x = 215,464.46

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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.