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Finding the Fourth Proportional to 446,594.40, 668,336.40 and 306,626.40

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Solution

The fourth proportional to 446,594.40, 668,336.40 and 306,626.40 is: 458,871.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,594.40 : 668,336.40 = 306,626.40 : x
  2. Step 2: Convert to fraction form
    446,594.40/668,336.40 = 306,626.40/x
  3. Step 3: Cross multiply
    446,594.40x = 668,336.40 × 306,626.40
  4. Step 4: Simplify right side
    446,594.40x = 204,929,584,320.96
  5. Step 5: Solve for x
    x = 204,929,584,320.96/446,594.40
  6. Step 6: Final answer
    x = 458,871.82

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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.