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Finding the Fourth Proportional to 467,528.40, 701,292.60 and 187,246.80

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Solution

The fourth proportional to 467,528.40, 701,292.60 and 187,246.80 is: 280,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,528.40 : 701,292.60 = 187,246.80 : x
  2. Step 2: Convert to fraction form
    467,528.40/701,292.60 = 187,246.80/x
  3. Step 3: Cross multiply
    467,528.40x = 701,292.60 × 187,246.80
  4. Step 4: Simplify right side
    467,528.40x = 131,314,795,213.68
  5. Step 5: Solve for x
    x = 131,314,795,213.68/467,528.40
  6. Step 6: Final answer
    x = 280,870.20

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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.