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Finding the Fourth Proportional to 1,613,819.54, 2,420,904.54 and 603,425.54

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Solution

The fourth proportional to 1,613,819.54, 2,420,904.54 and 603,425.54 is: 905,203.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,819.54 : 2,420,904.54 = 603,425.54 : x
  2. Step 2: Convert to fraction form
    1,613,819.54/2,420,904.54 = 603,425.54/x
  3. Step 3: Cross multiply
    1,613,819.54x = 2,420,904.54 × 603,425.54
  4. Step 4: Simplify right side
    1,613,819.54x = 1,460,835,629,337.95
  5. Step 5: Solve for x
    x = 1,460,835,629,337.95/1,613,819.54
  6. Step 6: Final answer
    x = 905,203.83

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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.