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Finding the Fourth Proportional to 451,262.70, 622,741.23 and 250,058.70

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Solution

The fourth proportional to 451,262.70, 622,741.23 and 250,058.70 is: 345,080.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,262.70 : 622,741.23 = 250,058.70 : x
  2. Step 2: Convert to fraction form
    451,262.70/622,741.23 = 250,058.70/x
  3. Step 3: Cross multiply
    451,262.70x = 622,741.23 × 250,058.70
  4. Step 4: Simplify right side
    451,262.70x = 155,721,862,410.20
  5. Step 5: Solve for x
    x = 155,721,862,410.20/451,262.70
  6. Step 6: Final answer
    x = 345,080.29

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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.