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Finding the Fourth Proportional to 672,303.10, 927,778.46 and 366,379.57

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Solution

The fourth proportional to 672,303.10, 927,778.46 and 366,379.57 is: 505,603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,303.10 : 927,778.46 = 366,379.57 : x
  2. Step 2: Convert to fraction form
    672,303.10/927,778.46 = 366,379.57/x
  3. Step 3: Cross multiply
    672,303.10x = 927,778.46 × 366,379.57
  4. Step 4: Simplify right side
    672,303.10x = 339,919,073,230.06
  5. Step 5: Solve for x
    x = 339,919,073,230.06/672,303.10
  6. Step 6: Final answer
    x = 505,603.91

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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.