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Finding the Fourth Proportional to 441,006.26, 660,676.96 and 260,553.24

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Solution

The fourth proportional to 441,006.26, 660,676.96 and 260,553.24 is: 390,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,006.26 : 660,676.96 = 260,553.24 : x
  2. Step 2: Convert to fraction form
    441,006.26/660,676.96 = 260,553.24/x
  3. Step 3: Cross multiply
    441,006.26x = 660,676.96 × 260,553.24
  4. Step 4: Simplify right side
    441,006.26x = 172,141,522,521.35
  5. Step 5: Solve for x
    x = 172,141,522,521.35/441,006.26
  6. Step 6: Final answer
    x = 390,338.05

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1.5x scale

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.