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Finding the Fourth Proportional to 672,198.88, 927,623.46 and 366,278.92

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Solution

The fourth proportional to 672,198.88, 927,623.46 and 366,278.92 is: 505,458.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,198.88 : 927,623.46 = 366,278.92 : x
  2. Step 2: Convert to fraction form
    672,198.88/927,623.46 = 366,278.92/x
  3. Step 3: Cross multiply
    672,198.88x = 927,623.46 × 366,278.92
  4. Step 4: Simplify right side
    672,198.88x = 339,768,919,095.46
  5. Step 5: Solve for x
    x = 339,768,919,095.46/672,198.88
  6. Step 6: Final answer
    x = 505,458.92

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Half scale
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Double scale
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Similar ratio
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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.