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Finding the Fourth Proportional to 253,813.08, 380,720.48 and 64,273.38

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Solution

The fourth proportional to 253,813.08, 380,720.48 and 64,273.38 is: 96,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,813.08 : 380,720.48 = 64,273.38 : x
  2. Step 2: Convert to fraction form
    253,813.08/380,720.48 = 64,273.38/x
  3. Step 3: Cross multiply
    253,813.08x = 380,720.48 × 64,273.38
  4. Step 4: Simplify right side
    253,813.08x = 24,470,192,084.82
  5. Step 5: Solve for x
    x = 24,470,192,084.82/253,813.08
  6. Step 6: Final answer
    x = 96,410.29

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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.