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Finding the Fourth Proportional to 170,945.40, 256,418.10 and 151,262.40

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Solution

The fourth proportional to 170,945.40, 256,418.10 and 151,262.40 is: 226,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,945.40 : 256,418.10 = 151,262.40 : x
  2. Step 2: Convert to fraction form
    170,945.40/256,418.10 = 151,262.40/x
  3. Step 3: Cross multiply
    170,945.40x = 256,418.10 × 151,262.40
  4. Step 4: Simplify right side
    170,945.40x = 38,786,417,209.44
  5. Step 5: Solve for x
    x = 38,786,417,209.44/170,945.40
  6. Step 6: Final answer
    x = 226,893.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.