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Finding the Fourth Proportional to 417,666.80, 576,380.62 and 226,680.32

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Solution

The fourth proportional to 417,666.80, 576,380.62 and 226,680.32 is: 312,819.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,666.80 : 576,380.62 = 226,680.32 : x
  2. Step 2: Convert to fraction form
    417,666.80/576,380.62 = 226,680.32/x
  3. Step 3: Cross multiply
    417,666.80x = 576,380.62 × 226,680.32
  4. Step 4: Simplify right side
    417,666.80x = 130,654,143,383.40
  5. Step 5: Solve for x
    x = 130,654,143,383.40/417,666.80
  6. Step 6: Final answer
    x = 312,819.08

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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.