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Finding the Fourth Proportional to 874,260.82, 1,310,613.22 and 341,660.71

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Solution

The fourth proportional to 874,260.82, 1,310,613.22 and 341,660.71 is: 512,187.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,260.82 : 1,310,613.22 = 341,660.71 : x
  2. Step 2: Convert to fraction form
    874,260.82/1,310,613.22 = 341,660.71/x
  3. Step 3: Cross multiply
    874,260.82x = 1,310,613.22 × 341,660.71
  4. Step 4: Simplify right side
    874,260.82x = 447,785,043,280.59
  5. Step 5: Solve for x
    x = 447,785,043,280.59/874,260.82
  6. Step 6: Final answer
    x = 512,187.02

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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.