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Finding the Fourth Proportional to 260,625.75, 390,301.99 and 160,648.41

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Solution

The fourth proportional to 260,625.75, 390,301.99 and 160,648.41 is: 240,580.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,625.75 : 390,301.99 = 160,648.41 : x
  2. Step 2: Convert to fraction form
    260,625.75/390,301.99 = 160,648.41/x
  3. Step 3: Cross multiply
    260,625.75x = 390,301.99 × 160,648.41
  4. Step 4: Simplify right side
    260,625.75x = 62,701,396,078.99
  5. Step 5: Solve for x
    x = 62,701,396,078.99/260,625.75
  6. Step 6: Final answer
    x = 240,580.20

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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.