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Finding the Fourth Proportional to 427,757.76, 590,243.90 and 236,770.70

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Solution

The fourth proportional to 427,757.76, 590,243.90 and 236,770.70 is: 326,709.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,757.76 : 590,243.90 = 236,770.70 : x
  2. Step 2: Convert to fraction form
    427,757.76/590,243.90 = 236,770.70/x
  3. Step 3: Cross multiply
    427,757.76x = 590,243.90 × 236,770.70
  4. Step 4: Simplify right side
    427,757.76x = 139,752,457,238.66
  5. Step 5: Solve for x
    x = 139,752,457,238.66/427,757.76
  6. Step 6: Final answer
    x = 326,709.34

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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.