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Finding the Fourth Proportional to 382,027.40, 573,041.10 and 298,046.60

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Solution

The fourth proportional to 382,027.40, 573,041.10 and 298,046.60 is: 447,069.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,027.40 : 573,041.10 = 298,046.60 : x
  2. Step 2: Convert to fraction form
    382,027.40/573,041.10 = 298,046.60/x
  3. Step 3: Cross multiply
    382,027.40x = 573,041.10 × 298,046.60
  4. Step 4: Simplify right side
    382,027.40x = 170,792,951,515.26
  5. Step 5: Solve for x
    x = 170,792,951,515.26/382,027.40
  6. Step 6: Final answer
    x = 447,069.90

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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.