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Finding the Fourth Proportional to 622,892.90, 933,717.26 and 307,576.10

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Solution

The fourth proportional to 622,892.90, 933,717.26 and 307,576.10 is: 461,056.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,892.90 : 933,717.26 = 307,576.10 : x
  2. Step 2: Convert to fraction form
    622,892.90/933,717.26 = 307,576.10/x
  3. Step 3: Cross multiply
    622,892.90x = 933,717.26 × 307,576.10
  4. Step 4: Simplify right side
    622,892.90x = 287,189,113,333.49
  5. Step 5: Solve for x
    x = 287,189,113,333.49/622,892.90
  6. Step 6: Final answer
    x = 461,056.97

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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.