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Finding the Fourth Proportional to 417,694.72, 576,412.50 and 236,441.02

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Solution

The fourth proportional to 417,694.72, 576,412.50 and 236,441.02 is: 326,285.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,694.72 : 576,412.50 = 236,441.02 : x
  2. Step 2: Convert to fraction form
    417,694.72/576,412.50 = 236,441.02/x
  3. Step 3: Cross multiply
    417,694.72x = 576,412.50 × 236,441.02
  4. Step 4: Simplify right side
    417,694.72x = 136,287,559,440.75
  5. Step 5: Solve for x
    x = 136,287,559,440.75/417,694.72
  6. Step 6: Final answer
    x = 326,285.09

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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.