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Finding the Fourth Proportional to 373,112.40, 514,895.61 and 203,346.53

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Solution

The fourth proportional to 373,112.40, 514,895.61 and 203,346.53 is: 280,618.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,112.40 : 514,895.61 = 203,346.53 : x
  2. Step 2: Convert to fraction form
    373,112.40/514,895.61 = 203,346.53/x
  3. Step 3: Cross multiply
    373,112.40x = 514,895.61 × 203,346.53
  4. Step 4: Simplify right side
    373,112.40x = 104,702,235,605.73
  5. Step 5: Solve for x
    x = 104,702,235,605.73/373,112.40
  6. Step 6: Final answer
    x = 280,618.48

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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.