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Finding the Fourth Proportional to 3,858,729.96, 5,788,038.84 and 940,834.56

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Solution

The fourth proportional to 3,858,729.96, 5,788,038.84 and 940,834.56 is: 1,411,238.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858,729.96 : 5,788,038.84 = 940,834.56 : x
  2. Step 2: Convert to fraction form
    3,858,729.96/5,788,038.84 = 940,834.56/x
  3. Step 3: Cross multiply
    3,858,729.96x = 5,788,038.84 × 940,834.56
  4. Step 4: Simplify right side
    3,858,729.96x = 5,445,586,975,294.31
  5. Step 5: Solve for x
    x = 5,445,586,975,294.31/3,858,729.96
  6. Step 6: Final answer
    x = 1,411,238.16

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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.