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Finding the Fourth Proportional to 506,791.89, 759,662.96 and 417,103.02

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Solution

The fourth proportional to 506,791.89, 759,662.96 and 417,103.02 is: 625,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,791.89 : 759,662.96 = 417,103.02 : x
  2. Step 2: Convert to fraction form
    506,791.89/759,662.96 = 417,103.02/x
  3. Step 3: Cross multiply
    506,791.89x = 759,662.96 × 417,103.02
  4. Step 4: Simplify right side
    506,791.89x = 316,857,712,712.62
  5. Step 5: Solve for x
    x = 316,857,712,712.62/506,791.89
  6. Step 6: Final answer
    x = 625,222.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.