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Finding the Fourth Proportional to 447,348.38, 617,137.34 and 265,957.38

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Solution

The fourth proportional to 447,348.38, 617,137.34 and 265,957.38 is: 366,900.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,348.38 : 617,137.34 = 265,957.38 : x
  2. Step 2: Convert to fraction form
    447,348.38/617,137.34 = 265,957.38/x
  3. Step 3: Cross multiply
    447,348.38x = 617,137.34 × 265,957.38
  4. Step 4: Simplify right side
    447,348.38x = 164,132,230,046.57
  5. Step 5: Solve for x
    x = 164,132,230,046.57/447,348.38
  6. Step 6: Final answer
    x = 366,900.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.