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Finding the Fourth Proportional to 333,288.32, 499,973.88 and 108,671.36

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Solution

The fourth proportional to 333,288.32, 499,973.88 and 108,671.36 is: 163,020.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,288.32 : 499,973.88 = 108,671.36 : x
  2. Step 2: Convert to fraction form
    333,288.32/499,973.88 = 108,671.36/x
  3. Step 3: Cross multiply
    333,288.32x = 499,973.88 × 108,671.36
  4. Step 4: Simplify right side
    333,288.32x = 54,332,841,504.08
  5. Step 5: Solve for x
    x = 54,332,841,504.08/333,288.32
  6. Step 6: Final answer
    x = 163,020.54

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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.