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Finding the Fourth Proportional to 250,858.80, 376,288.20 and 225,489.60

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Solution

The fourth proportional to 250,858.80, 376,288.20 and 225,489.60 is: 338,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,858.80 : 376,288.20 = 225,489.60 : x
  2. Step 2: Convert to fraction form
    250,858.80/376,288.20 = 225,489.60/x
  3. Step 3: Cross multiply
    250,858.80x = 376,288.20 × 225,489.60
  4. Step 4: Simplify right side
    250,858.80x = 84,849,075,702.72
  5. Step 5: Solve for x
    x = 84,849,075,702.72/250,858.80
  6. Step 6: Final answer
    x = 338,234.40

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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.