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Finding the Fourth Proportional to 586,941.72, 806,861.10 and 504,968.64

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Solution

The fourth proportional to 586,941.72, 806,861.10 and 504,968.64 is: 694,173.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,941.72 : 806,861.10 = 504,968.64 : x
  2. Step 2: Convert to fraction form
    586,941.72/806,861.10 = 504,968.64/x
  3. Step 3: Cross multiply
    586,941.72x = 806,861.10 × 504,968.64
  4. Step 4: Simplify right side
    586,941.72x = 407,439,552,335.90
  5. Step 5: Solve for x
    x = 407,439,552,335.90/586,941.72
  6. Step 6: Final answer
    x = 694,173.78

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.