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Finding the Fourth Proportional to 260,627.10, 359,479.95 and 239,186.10

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Solution

The fourth proportional to 260,627.10, 359,479.95 and 239,186.10 is: 329,906.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,627.10 : 359,479.95 = 239,186.10 : x
  2. Step 2: Convert to fraction form
    260,627.10/359,479.95 = 239,186.10/x
  3. Step 3: Cross multiply
    260,627.10x = 359,479.95 × 239,186.10
  4. Step 4: Simplify right side
    260,627.10x = 85,982,608,054.18
  5. Step 5: Solve for x
    x = 85,982,608,054.18/260,627.10
  6. Step 6: Final answer
    x = 329,906.63

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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.