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Finding the Fourth Proportional to 350,082.20, 525,123.30 and 323,048.60

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Solution

The fourth proportional to 350,082.20, 525,123.30 and 323,048.60 is: 484,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,082.20 : 525,123.30 = 323,048.60 : x
  2. Step 2: Convert to fraction form
    350,082.20/525,123.30 = 323,048.60/x
  3. Step 3: Cross multiply
    350,082.20x = 525,123.30 × 323,048.60
  4. Step 4: Simplify right side
    350,082.20x = 169,640,346,892.38
  5. Step 5: Solve for x
    x = 169,640,346,892.38/350,082.20
  6. Step 6: Final answer
    x = 484,572.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.