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Finding the Fourth Proportional to 333,726.98, 500,590.67 and 81,007.83

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Solution

The fourth proportional to 333,726.98, 500,590.67 and 81,007.83 is: 121,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,726.98 : 500,590.67 = 81,007.83 : x
  2. Step 2: Convert to fraction form
    333,726.98/500,590.67 = 81,007.83/x
  3. Step 3: Cross multiply
    333,726.98x = 500,590.67 × 81,007.83
  4. Step 4: Simplify right side
    333,726.98x = 40,551,763,489.91
  5. Step 5: Solve for x
    x = 40,551,763,489.91/333,726.98
  6. Step 6: Final answer
    x = 121,511.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.