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Finding the Fourth Proportional to 504,885.47, 696,744.21 and 275,442.06

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Solution

The fourth proportional to 504,885.47, 696,744.21 and 275,442.06 is: 380,111.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,885.47 : 696,744.21 = 275,442.06 : x
  2. Step 2: Convert to fraction form
    504,885.47/696,744.21 = 275,442.06/x
  3. Step 3: Cross multiply
    504,885.47x = 696,744.21 × 275,442.06
  4. Step 4: Simplify right side
    504,885.47x = 191,912,659,118.26
  5. Step 5: Solve for x
    x = 191,912,659,118.26/504,885.47
  6. Step 6: Final answer
    x = 380,111.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.