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Finding the Fourth Proportional to 3,335,735.50, 5,003,723.55 and 939,789.52

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Solution

The fourth proportional to 3,335,735.50, 5,003,723.55 and 939,789.52 is: 1,409,718.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335,735.50 : 5,003,723.55 = 939,789.52 : x
  2. Step 2: Convert to fraction form
    3,335,735.50/5,003,723.55 = 939,789.52/x
  3. Step 3: Cross multiply
    3,335,735.50x = 5,003,723.55 × 939,789.52
  4. Step 4: Simplify right side
    3,335,735.50x = 4,702,446,953,267.20
  5. Step 5: Solve for x
    x = 4,702,446,953,267.20/3,335,735.50
  6. Step 6: Final answer
    x = 1,409,718.17

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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.