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Finding the Fourth Proportional to 672,212.39, 927,676.55 and 366,313.96

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Solution

The fourth proportional to 672,212.39, 927,676.55 and 366,313.96 is: 505,526.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,212.39 : 927,676.55 = 366,313.96 : x
  2. Step 2: Convert to fraction form
    672,212.39/927,676.55 = 366,313.96/x
  3. Step 3: Cross multiply
    672,212.39x = 927,676.55 × 366,313.96
  4. Step 4: Simplify right side
    672,212.39x = 339,820,870,644.50
  5. Step 5: Solve for x
    x = 339,820,870,644.50/672,212.39
  6. Step 6: Final answer
    x = 505,526.05

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1.5x scale

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.