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Finding the Fourth Proportional to 450,852.85, 622,234.51 and 259,867.61

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Solution

The fourth proportional to 450,852.85, 622,234.51 and 259,867.61 is: 358,650.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,852.85 : 622,234.51 = 259,867.61 : x
  2. Step 2: Convert to fraction form
    450,852.85/622,234.51 = 259,867.61/x
  3. Step 3: Cross multiply
    450,852.85x = 622,234.51 × 259,867.61
  4. Step 4: Simplify right side
    450,852.85x = 161,698,593,545.76
  5. Step 5: Solve for x
    x = 161,698,593,545.76/450,852.85
  6. Step 6: Final answer
    x = 358,650.48

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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.