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Finding the Fourth Proportional to 404,082.44, 557,498.40 and 260,939.24

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Solution

The fourth proportional to 404,082.44, 557,498.40 and 260,939.24 is: 360,008.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,082.44 : 557,498.40 = 260,939.24 : x
  2. Step 2: Convert to fraction form
    404,082.44/557,498.40 = 260,939.24/x
  3. Step 3: Cross multiply
    404,082.44x = 557,498.40 × 260,939.24
  4. Step 4: Simplify right side
    404,082.44x = 145,473,208,797.22
  5. Step 5: Solve for x
    x = 145,473,208,797.22/404,082.44
  6. Step 6: Final answer
    x = 360,008.74

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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.