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Finding the Fourth Proportional to 472,090.60, 707,631.66 and 269,250.00

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Solution

The fourth proportional to 472,090.60, 707,631.66 and 269,250.00 is: 403,587.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,090.60 : 707,631.66 = 269,250.00 : x
  2. Step 2: Convert to fraction form
    472,090.60/707,631.66 = 269,250.00/x
  3. Step 3: Cross multiply
    472,090.60x = 707,631.66 × 269,250.00
  4. Step 4: Simplify right side
    472,090.60x = 190,529,821,589.97
  5. Step 5: Solve for x
    x = 190,529,821,589.97/472,090.60
  6. Step 6: Final answer
    x = 403,587.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.