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Finding the Fourth Proportional to 3,819,559.86, 5,729,341.32 and 940,982.67

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Solution

The fourth proportional to 3,819,559.86, 5,729,341.32 and 940,982.67 is: 1,411,474.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,559.86 : 5,729,341.32 = 940,982.67 : x
  2. Step 2: Convert to fraction form
    3,819,559.86/5,729,341.32 = 940,982.67/x
  3. Step 3: Cross multiply
    3,819,559.86x = 5,729,341.32 × 940,982.67
  4. Step 4: Simplify right side
    3,819,559.86x = 5,391,210,892,634.93
  5. Step 5: Solve for x
    x = 5,391,210,892,634.93/3,819,559.86
  6. Step 6: Final answer
    x = 1,411,474.38

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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.