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Finding the Fourth Proportional to 236,438.88, 326,285.52 and 151,555.88

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Solution

The fourth proportional to 236,438.88, 326,285.52 and 151,555.88 is: 209,147.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,438.88 : 326,285.52 = 151,555.88 : x
  2. Step 2: Convert to fraction form
    236,438.88/326,285.52 = 151,555.88/x
  3. Step 3: Cross multiply
    236,438.88x = 326,285.52 × 151,555.88
  4. Step 4: Simplify right side
    236,438.88x = 49,450,489,114.86
  5. Step 5: Solve for x
    x = 49,450,489,114.86/236,438.88
  6. Step 6: Final answer
    x = 209,147.03

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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.