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Finding the Fourth Proportional to 389,632.60, 584,667.60 and 164,954.80

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Solution

The fourth proportional to 389,632.60, 584,667.60 and 164,954.80 is: 247,524.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,632.60 : 584,667.60 = 164,954.80 : x
  2. Step 2: Convert to fraction form
    389,632.60/584,667.60 = 164,954.80/x
  3. Step 3: Cross multiply
    389,632.60x = 584,667.60 × 164,954.80
  4. Step 4: Simplify right side
    389,632.60x = 96,443,727,024.48
  5. Step 5: Solve for x
    x = 96,443,727,024.48/389,632.60
  6. Step 6: Final answer
    x = 247,524.79

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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.