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Finding the Fourth Proportional to 260,342.38, 359,458.68 and 203,045.71

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Solution

The fourth proportional to 260,342.38, 359,458.68 and 203,045.71 is: 280,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,342.38 : 359,458.68 = 203,045.71 : x
  2. Step 2: Convert to fraction form
    260,342.38/359,458.68 = 203,045.71/x
  3. Step 3: Cross multiply
    260,342.38x = 359,458.68 × 203,045.71
  4. Step 4: Simplify right side
    260,342.38x = 72,986,542,896.26
  5. Step 5: Solve for x
    x = 72,986,542,896.26/260,342.38
  6. Step 6: Final answer
    x = 280,348.30

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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.