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Finding the Fourth Proportional to 591,293.88, 886,963.68 and 206,968.32

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Solution

The fourth proportional to 591,293.88, 886,963.68 and 206,968.32 is: 310,460.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,293.88 : 886,963.68 = 206,968.32 : x
  2. Step 2: Convert to fraction form
    591,293.88/886,963.68 = 206,968.32/x
  3. Step 3: Cross multiply
    591,293.88x = 886,963.68 × 206,968.32
  4. Step 4: Simplify right side
    591,293.88x = 183,573,382,750.62
  5. Step 5: Solve for x
    x = 183,573,382,750.62/591,293.88
  6. Step 6: Final answer
    x = 310,460.48

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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.