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Finding the Fourth Proportional to 446,158.00, 667,825.16 and 286,019.92

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Solution

The fourth proportional to 446,158.00, 667,825.16 and 286,019.92 is: 428,124.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,158.00 : 667,825.16 = 286,019.92 : x
  2. Step 2: Convert to fraction form
    446,158.00/667,825.16 = 286,019.92/x
  3. Step 3: Cross multiply
    446,158.00x = 667,825.16 × 286,019.92
  4. Step 4: Simplify right side
    446,158.00x = 191,011,295,498.06
  5. Step 5: Solve for x
    x = 191,011,295,498.06/446,158.00
  6. Step 6: Final answer
    x = 428,124.78

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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.