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Finding the Fourth Proportional to 269,093.41, 402,858.19 and 156,430.11

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Solution

The fourth proportional to 269,093.41, 402,858.19 and 156,430.11 is: 234,190.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,093.41 : 402,858.19 = 156,430.11 : x
  2. Step 2: Convert to fraction form
    269,093.41/402,858.19 = 156,430.11/x
  3. Step 3: Cross multiply
    269,093.41x = 402,858.19 × 156,430.11
  4. Step 4: Simplify right side
    269,093.41x = 63,019,150,976.10
  5. Step 5: Solve for x
    x = 63,019,150,976.10/269,093.41
  6. Step 6: Final answer
    x = 234,190.61

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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.