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Finding the Fourth Proportional to 347,348.10, 521,022.15 and 235,082.10

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Solution

The fourth proportional to 347,348.10, 521,022.15 and 235,082.10 is: 352,623.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,348.10 : 521,022.15 = 235,082.10 : x
  2. Step 2: Convert to fraction form
    347,348.10/521,022.15 = 235,082.10/x
  3. Step 3: Cross multiply
    347,348.10x = 521,022.15 × 235,082.10
  4. Step 4: Simplify right side
    347,348.10x = 122,482,981,168.52
  5. Step 5: Solve for x
    x = 122,482,981,168.52/347,348.10
  6. Step 6: Final answer
    x = 352,623.15

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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.