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Finding the Fourth Proportional to 441,158.22, 608,852.43 and 259,860.78

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Solution

The fourth proportional to 441,158.22, 608,852.43 and 259,860.78 is: 358,639.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,158.22 : 608,852.43 = 259,860.78 : x
  2. Step 2: Convert to fraction form
    441,158.22/608,852.43 = 259,860.78/x
  3. Step 3: Cross multiply
    441,158.22x = 608,852.43 × 259,860.78
  4. Step 4: Simplify right side
    441,158.22x = 158,216,867,364.70
  5. Step 5: Solve for x
    x = 158,216,867,364.70/441,158.22
  6. Step 6: Final answer
    x = 358,639.74

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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.