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Finding the Fourth Proportional to 366,650.40, 505,031.10 and 259,033.62

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Solution

The fourth proportional to 366,650.40, 505,031.10 and 259,033.62 is: 356,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,650.40 : 505,031.10 = 259,033.62 : x
  2. Step 2: Convert to fraction form
    366,650.40/505,031.10 = 259,033.62/x
  3. Step 3: Cross multiply
    366,650.40x = 505,031.10 × 259,033.62
  4. Step 4: Simplify right side
    366,650.40x = 130,820,034,045.58
  5. Step 5: Solve for x
    x = 130,820,034,045.58/366,650.40
  6. Step 6: Final answer
    x = 356,797.74

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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.