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Finding the Fourth Proportional to 352,082.16, 528,651.36 and 339,834.96

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Solution

The fourth proportional to 352,082.16, 528,651.36 and 339,834.96 is: 510,262.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,082.16 : 528,651.36 = 339,834.96 : x
  2. Step 2: Convert to fraction form
    352,082.16/528,651.36 = 339,834.96/x
  3. Step 3: Cross multiply
    352,082.16x = 528,651.36 × 339,834.96
  4. Step 4: Simplify right side
    352,082.16x = 179,654,213,779.55
  5. Step 5: Solve for x
    x = 179,654,213,779.55/352,082.16
  6. Step 6: Final answer
    x = 510,262.19

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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.