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Finding the Fourth Proportional to 3,858,730.96, 5,788,040.34 and 940,835.56

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Solution

The fourth proportional to 3,858,730.96, 5,788,040.34 and 940,835.56 is: 1,411,239.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858,730.96 : 5,788,040.34 = 940,835.56 : x
  2. Step 2: Convert to fraction form
    3,858,730.96/5,788,040.34 = 940,835.56/x
  3. Step 3: Cross multiply
    3,858,730.96x = 5,788,040.34 × 940,835.56
  4. Step 4: Simplify right side
    3,858,730.96x = 5,445,594,174,586.49
  5. Step 5: Solve for x
    x = 5,445,594,174,586.49/3,858,730.96
  6. Step 6: Final answer
    x = 1,411,239.66

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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.