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Finding the Fourth Proportional to 467,852.40, 701,778.60 and 418,863.60

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Solution

The fourth proportional to 467,852.40, 701,778.60 and 418,863.60 is: 628,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,852.40 : 701,778.60 = 418,863.60 : x
  2. Step 2: Convert to fraction form
    467,852.40/701,778.60 = 418,863.60/x
  3. Step 3: Cross multiply
    467,852.40x = 701,778.60 × 418,863.60
  4. Step 4: Simplify right side
    467,852.40x = 293,949,510,798.96
  5. Step 5: Solve for x
    x = 293,949,510,798.96/467,852.40
  6. Step 6: Final answer
    x = 628,295.40

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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.