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Finding the Fourth Proportional to 403,625.75, 557,003.67 and 233,958.29

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Solution

The fourth proportional to 403,625.75, 557,003.67 and 233,958.29 is: 322,862.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,625.75 : 557,003.67 = 233,958.29 : x
  2. Step 2: Convert to fraction form
    403,625.75/557,003.67 = 233,958.29/x
  3. Step 3: Cross multiply
    403,625.75x = 557,003.67 × 233,958.29
  4. Step 4: Simplify right side
    403,625.75x = 130,315,626,156.92
  5. Step 5: Solve for x
    x = 130,315,626,156.92/403,625.75
  6. Step 6: Final answer
    x = 322,862.52

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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.