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Finding the Fourth Proportional to 350,314.44, 525,643.38 and 217,159.44

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Solution

The fourth proportional to 350,314.44, 525,643.38 and 217,159.44 is: 325,845.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,314.44 : 525,643.38 = 217,159.44 : x
  2. Step 2: Convert to fraction form
    350,314.44/525,643.38 = 217,159.44/x
  3. Step 3: Cross multiply
    350,314.44x = 525,643.38 × 217,159.44
  4. Step 4: Simplify right side
    350,314.44x = 114,148,422,040.51
  5. Step 5: Solve for x
    x = 114,148,422,040.51/350,314.44
  6. Step 6: Final answer
    x = 325,845.61

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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.