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Finding the Fourth Proportional to 260,627.82, 359,480.95 and 239,186.82

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Solution

The fourth proportional to 260,627.82, 359,480.95 and 239,186.82 is: 329,907.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,627.82 : 359,480.95 = 239,186.82 : x
  2. Step 2: Convert to fraction form
    260,627.82/359,480.95 = 239,186.82/x
  3. Step 3: Cross multiply
    260,627.82x = 359,480.95 × 239,186.82
  4. Step 4: Simplify right side
    260,627.82x = 85,983,104,085.14
  5. Step 5: Solve for x
    x = 85,983,104,085.14/260,627.82
  6. Step 6: Final answer
    x = 329,907.62

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1.5x scale

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.