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Finding the Fourth Proportional to 275,717.40, 413,576.10 and 250,785.60

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Solution

The fourth proportional to 275,717.40, 413,576.10 and 250,785.60 is: 376,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,717.40 : 413,576.10 = 250,785.60 : x
  2. Step 2: Convert to fraction form
    275,717.40/413,576.10 = 250,785.60/x
  3. Step 3: Cross multiply
    275,717.40x = 413,576.10 × 250,785.60
  4. Step 4: Simplify right side
    275,717.40x = 103,718,930,384.16
  5. Step 5: Solve for x
    x = 103,718,930,384.16/275,717.40
  6. Step 6: Final answer
    x = 376,178.40

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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.