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Finding the Fourth Proportional to 417,672.64, 576,373.62 and 226,682.20

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Solution

The fourth proportional to 417,672.64, 576,373.62 and 226,682.20 is: 312,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,672.64 : 576,373.62 = 226,682.20 : x
  2. Step 2: Convert to fraction form
    417,672.64/576,373.62 = 226,682.20/x
  3. Step 3: Cross multiply
    417,672.64x = 576,373.62 × 226,682.20
  4. Step 4: Simplify right side
    417,672.64x = 130,653,640,203.56
  5. Step 5: Solve for x
    x = 130,653,640,203.56/417,672.64
  6. Step 6: Final answer
    x = 312,813.50

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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.