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Finding the Fourth Proportional to 333,487.80, 500,311.28 and 108,848.68

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Solution

The fourth proportional to 333,487.80, 500,311.28 and 108,848.68 is: 163,298.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,487.80 : 500,311.28 = 108,848.68 : x
  2. Step 2: Convert to fraction form
    333,487.80/500,311.28 = 108,848.68/x
  3. Step 3: Cross multiply
    333,487.80x = 500,311.28 × 108,848.68
  4. Step 4: Simplify right side
    333,487.80x = 54,458,221,438.45
  5. Step 5: Solve for x
    x = 54,458,221,438.45/333,487.80
  6. Step 6: Final answer
    x = 163,298.99

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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.