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Finding the Fourth Proportional to 609,194.72, 913,112.39 and 254,090.72

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Solution

The fourth proportional to 609,194.72, 913,112.39 and 254,090.72 is: 380,852.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,194.72 : 913,112.39 = 254,090.72 : x
  2. Step 2: Convert to fraction form
    609,194.72/913,112.39 = 254,090.72/x
  3. Step 3: Cross multiply
    609,194.72x = 913,112.39 × 254,090.72
  4. Step 4: Simplify right side
    609,194.72x = 232,013,380,685.69
  5. Step 5: Solve for x
    x = 232,013,380,685.69/609,194.72
  6. Step 6: Final answer
    x = 380,852.58

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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.