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Finding the Fourth Proportional to 373,049.88, 514,808.90 and 203,284

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Solution

The fourth proportional to 373,049.88, 514,808.90 and 203,284 is: 280,531.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,049.88 : 514,808.90 = 203,284 : x
  2. Step 2: Convert to fraction form
    373,049.88/514,808.90 = 203,284/x
  3. Step 3: Cross multiply
    373,049.88x = 514,808.90 × 203,284
  4. Step 4: Simplify right side
    373,049.88x = 104,652,412,427.60
  5. Step 5: Solve for x
    x = 104,652,412,427.60/373,049.88
  6. Step 6: Final answer
    x = 280,531.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.