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Finding the Fourth Proportional to 672,278.84, 927,732.90 and 366,357.96

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Solution

The fourth proportional to 672,278.84, 927,732.90 and 366,357.96 is: 505,567.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,278.84 : 927,732.90 = 366,357.96 : x
  2. Step 2: Convert to fraction form
    672,278.84/927,732.90 = 366,357.96/x
  3. Step 3: Cross multiply
    672,278.84x = 927,732.90 × 366,357.96
  4. Step 4: Simplify right side
    672,278.84x = 339,882,332,668.88
  5. Step 5: Solve for x
    x = 339,882,332,668.88/672,278.84
  6. Step 6: Final answer
    x = 505,567.50

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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.