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Finding the Fourth Proportional to 260,836.80, 365,696.40 and 260,836.80

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Solution

The fourth proportional to 260,836.80, 365,696.40 and 260,836.80 is: 365,696.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,836.80 : 365,696.40 = 260,836.80 : x
  2. Step 2: Convert to fraction form
    260,836.80/365,696.40 = 260,836.80/x
  3. Step 3: Cross multiply
    260,836.80x = 365,696.40 × 260,836.80
  4. Step 4: Simplify right side
    260,836.80x = 95,387,078,747.52
  5. Step 5: Solve for x
    x = 95,387,078,747.52/260,836.80
  6. Step 6: Final answer
    x = 365,696.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.