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Finding the Fourth Proportional to 484,667.60, 727,116.60 and 204,040.40

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Solution

The fourth proportional to 484,667.60, 727,116.60 and 204,040.40 is: 306,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,667.60 : 727,116.60 = 204,040.40 : x
  2. Step 2: Convert to fraction form
    484,667.60/727,116.60 = 204,040.40/x
  3. Step 3: Cross multiply
    484,667.60x = 727,116.60 × 204,040.40
  4. Step 4: Simplify right side
    484,667.60x = 148,361,161,910.64
  5. Step 5: Solve for x
    x = 148,361,161,910.64/484,667.60
  6. Step 6: Final answer
    x = 306,109.10

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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.