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Finding the Fourth Proportional to 427,809.22, 590,376.90 and 234,229.48

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Solution

The fourth proportional to 427,809.22, 590,376.90 and 234,229.48 is: 323,236.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,809.22 : 590,376.90 = 234,229.48 : x
  2. Step 2: Convert to fraction form
    427,809.22/590,376.90 = 234,229.48/x
  3. Step 3: Cross multiply
    427,809.22x = 590,376.90 × 234,229.48
  4. Step 4: Simplify right side
    427,809.22x = 138,283,674,291.01
  5. Step 5: Solve for x
    x = 138,283,674,291.01/427,809.22
  6. Step 6: Final answer
    x = 323,236.78

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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.