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Finding the Fourth Proportional to 580,729.68, 799,553.16 and 495,504.72

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Solution

The fourth proportional to 580,729.68, 799,553.16 and 495,504.72 is: 682,214.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,729.68 : 799,553.16 = 495,504.72 : x
  2. Step 2: Convert to fraction form
    580,729.68/799,553.16 = 495,504.72/x
  3. Step 3: Cross multiply
    580,729.68x = 799,553.16 × 495,504.72
  4. Step 4: Simplify right side
    580,729.68x = 396,182,364,670.92
  5. Step 5: Solve for x
    x = 396,182,364,670.92/580,729.68
  6. Step 6: Final answer
    x = 682,214.77

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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.