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Finding the Fourth Proportional to 404,082.08, 557,872.20 and 359,246

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Solution

The fourth proportional to 404,082.08, 557,872.20 and 359,246 is: 495,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,082.08 : 557,872.20 = 359,246 : x
  2. Step 2: Convert to fraction form
    404,082.08/557,872.20 = 359,246/x
  3. Step 3: Cross multiply
    404,082.08x = 557,872.20 × 359,246
  4. Step 4: Simplify right side
    404,082.08x = 200,413,356,361.20
  5. Step 5: Solve for x
    x = 200,413,356,361.20/404,082.08
  6. Step 6: Final answer
    x = 495,971.90

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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.