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Finding the Fourth Proportional to 373,073.82, 514,840.17 and 203,307.90

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Solution

The fourth proportional to 373,073.82, 514,840.17 and 203,307.90 is: 280,563.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,073.82 : 514,840.17 = 203,307.90 : x
  2. Step 2: Convert to fraction form
    373,073.82/514,840.17 = 203,307.90/x
  3. Step 3: Cross multiply
    373,073.82x = 514,840.17 × 203,307.90
  4. Step 4: Simplify right side
    373,073.82x = 104,671,073,798.34
  5. Step 5: Solve for x
    x = 104,671,073,798.34/373,073.82
  6. Step 6: Final answer
    x = 280,563.97

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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.