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Finding the Fourth Proportional to 447,221.76, 617,175.52 and 246,017.76

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Solution

The fourth proportional to 447,221.76, 617,175.52 and 246,017.76 is: 339,509.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,221.76 : 617,175.52 = 246,017.76 : x
  2. Step 2: Convert to fraction form
    447,221.76/617,175.52 = 246,017.76/x
  3. Step 3: Cross multiply
    447,221.76x = 617,175.52 × 246,017.76
  4. Step 4: Simplify right side
    447,221.76x = 151,836,138,957.24
  5. Step 5: Solve for x
    x = 151,836,138,957.24/447,221.76
  6. Step 6: Final answer
    x = 339,509.73

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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.