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Finding the Fourth Proportional to 672,303.36, 927,778.80 and 366,379.83

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Solution

The fourth proportional to 672,303.36, 927,778.80 and 366,379.83 is: 505,604.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,303.36 : 927,778.80 = 366,379.83 : x
  2. Step 2: Convert to fraction form
    672,303.36/927,778.80 = 366,379.83/x
  3. Step 3: Cross multiply
    672,303.36x = 927,778.80 × 366,379.83
  4. Step 4: Simplify right side
    672,303.36x = 339,919,439,021.60
  5. Step 5: Solve for x
    x = 339,919,439,021.60/672,303.36
  6. Step 6: Final answer
    x = 505,604.25

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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.