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Finding the Fourth Proportional to 333,323.64, 500,037.60 and 108,631.86

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Solution

The fourth proportional to 333,323.64, 500,037.60 and 108,631.86 is: 162,964.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,323.64 : 500,037.60 = 108,631.86 : x
  2. Step 2: Convert to fraction form
    333,323.64/500,037.60 = 108,631.86/x
  3. Step 3: Cross multiply
    333,323.64x = 500,037.60 × 108,631.86
  4. Step 4: Simplify right side
    333,323.64x = 54,320,014,557.94
  5. Step 5: Solve for x
    x = 54,320,014,557.94/333,323.64
  6. Step 6: Final answer
    x = 162,964.78

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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.