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Finding the Fourth Proportional to 333,303.38, 500,007.20 and 108,611.66

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Solution

The fourth proportional to 333,303.38, 500,007.20 and 108,611.66 is: 162,934.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,303.38 : 500,007.20 = 108,611.66 : x
  2. Step 2: Convert to fraction form
    333,303.38/500,007.20 = 108,611.66/x
  3. Step 3: Cross multiply
    333,303.38x = 500,007.20 × 108,611.66
  4. Step 4: Simplify right side
    333,303.38x = 54,306,609,775.45
  5. Step 5: Solve for x
    x = 54,306,609,775.45/333,303.38
  6. Step 6: Final answer
    x = 162,934.47

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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.