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Finding the Fourth Proportional to 672,702, 928,336.02 and 366,775.89

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Solution

The fourth proportional to 672,702, 928,336.02 and 366,775.89 is: 506,154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,702 : 928,336.02 = 366,775.89 : x
  2. Step 2: Convert to fraction form
    672,702/928,336.02 = 366,775.89/x
  3. Step 3: Cross multiply
    672,702x = 928,336.02 × 366,775.89
  4. Step 4: Simplify right side
    672,702x = 340,491,269,954.56
  5. Step 5: Solve for x
    x = 340,491,269,954.56/672,702
  6. Step 6: Final answer
    x = 506,154.69

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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.