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Finding the Fourth Proportional to 622,699.56, 934,118.64 and 267,749.28

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Solution

The fourth proportional to 622,699.56, 934,118.64 and 267,749.28 is: 401,653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,699.56 : 934,118.64 = 267,749.28 : x
  2. Step 2: Convert to fraction form
    622,699.56/934,118.64 = 267,749.28/x
  3. Step 3: Cross multiply
    622,699.56x = 934,118.64 × 267,749.28
  4. Step 4: Simplify right side
    622,699.56x = 250,109,593,294.58
  5. Step 5: Solve for x
    x = 250,109,593,294.58/622,699.56
  6. Step 6: Final answer
    x = 401,653.72

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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.