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Finding the Fourth Proportional to 373,082.08, 514,838.28 and 203,312.56

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Solution

The fourth proportional to 373,082.08, 514,838.28 and 203,312.56 is: 280,563.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,082.08 : 514,838.28 = 203,312.56 : x
  2. Step 2: Convert to fraction form
    373,082.08/514,838.28 = 203,312.56/x
  3. Step 3: Cross multiply
    373,082.08x = 514,838.28 × 203,312.56
  4. Step 4: Simplify right side
    373,082.08x = 104,673,088,692.80
  5. Step 5: Solve for x
    x = 104,673,088,692.80/373,082.08
  6. Step 6: Final answer
    x = 280,563.16

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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.