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Finding the Fourth Proportional to 404,336.30, 557,954.43 and 234,537.74

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Solution

The fourth proportional to 404,336.30, 557,954.43 and 234,537.74 is: 323,644.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,336.30 : 557,954.43 = 234,537.74 : x
  2. Step 2: Convert to fraction form
    404,336.30/557,954.43 = 234,537.74/x
  3. Step 3: Cross multiply
    404,336.30x = 557,954.43 × 234,537.74
  4. Step 4: Simplify right side
    404,336.30x = 130,861,371,035.19
  5. Step 5: Solve for x
    x = 130,861,371,035.19/404,336.30
  6. Step 6: Final answer
    x = 323,644.87

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1.5x scale

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.