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Finding the Fourth Proportional to 541,260.20, 812,084.70 and 225,813.80

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Solution

The fourth proportional to 541,260.20, 812,084.70 and 225,813.80 is: 338,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,260.20 : 812,084.70 = 225,813.80 : x
  2. Step 2: Convert to fraction form
    541,260.20/812,084.70 = 225,813.80/x
  3. Step 3: Cross multiply
    541,260.20x = 812,084.70 × 225,813.80
  4. Step 4: Simplify right side
    541,260.20x = 183,379,932,028.86
  5. Step 5: Solve for x
    x = 183,379,932,028.86/541,260.20
  6. Step 6: Final answer
    x = 338,801.80

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1.5x scale

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.