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Finding the Fourth Proportional to 295,240.40, 441,694.20 and 256,230.80

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Solution

The fourth proportional to 295,240.40, 441,694.20 and 256,230.80 is: 383,333.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,240.40 : 441,694.20 = 256,230.80 : x
  2. Step 2: Convert to fraction form
    295,240.40/441,694.20 = 256,230.80/x
  3. Step 3: Cross multiply
    295,240.40x = 441,694.20 × 256,230.80
  4. Step 4: Simplify right side
    295,240.40x = 113,175,658,221.36
  5. Step 5: Solve for x
    x = 113,175,658,221.36/295,240.40
  6. Step 6: Final answer
    x = 383,333.91

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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.