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Finding the Fourth Proportional to 373,110.40, 514,892.85 and 203,344.53

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Solution

The fourth proportional to 373,110.40, 514,892.85 and 203,344.53 is: 280,615.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,110.40 : 514,892.85 = 203,344.53 : x
  2. Step 2: Convert to fraction form
    373,110.40/514,892.85 = 203,344.53/x
  3. Step 3: Cross multiply
    373,110.40x = 514,892.85 × 203,344.53
  4. Step 4: Simplify right side
    373,110.40x = 104,700,643,034.03
  5. Step 5: Solve for x
    x = 104,700,643,034.03/373,110.40
  6. Step 6: Final answer
    x = 280,615.72

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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.