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Finding the Fourth Proportional to 504,453.90, 755,028.29 and 276,401.74

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Solution

The fourth proportional to 504,453.90, 755,028.29 and 276,401.74 is: 413,697.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,453.90 : 755,028.29 = 276,401.74 : x
  2. Step 2: Convert to fraction form
    504,453.90/755,028.29 = 276,401.74/x
  3. Step 3: Cross multiply
    504,453.90x = 755,028.29 × 276,401.74
  4. Step 4: Simplify right side
    504,453.90x = 208,691,133,893.09
  5. Step 5: Solve for x
    x = 208,691,133,893.09/504,453.90
  6. Step 6: Final answer
    x = 413,697.14

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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.