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Finding the Fourth Proportional to 454,265.44, 626,899.26 and 253,074.40

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Solution

The fourth proportional to 454,265.44, 626,899.26 and 253,074.40 is: 349,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,265.44 : 626,899.26 = 253,074.40 : x
  2. Step 2: Convert to fraction form
    454,265.44/626,899.26 = 253,074.40/x
  3. Step 3: Cross multiply
    454,265.44x = 626,899.26 × 253,074.40
  4. Step 4: Simplify right side
    454,265.44x = 158,652,153,466.73
  5. Step 5: Solve for x
    x = 158,652,153,466.73/454,265.44
  6. Step 6: Final answer
    x = 349,249.89

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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.