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Finding the Fourth Proportional to 417,674.10, 576,390.83 and 226,687.49

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Solution

The fourth proportional to 417,674.10, 576,390.83 and 226,687.49 is: 312,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,674.10 : 576,390.83 = 226,687.49 : x
  2. Step 2: Convert to fraction form
    417,674.10/576,390.83 = 226,687.49/x
  3. Step 3: Cross multiply
    417,674.10x = 576,390.83 × 226,687.49
  4. Step 4: Simplify right side
    417,674.10x = 130,660,592,537.55
  5. Step 5: Solve for x
    x = 130,660,592,537.55/417,674.10
  6. Step 6: Final answer
    x = 312,829.05

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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.