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Finding the Fourth Proportional to 324,593.60, 486,501.60 and 166,740.80

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Solution

The fourth proportional to 324,593.60, 486,501.60 and 166,740.80 is: 249,911.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,593.60 : 486,501.60 = 166,740.80 : x
  2. Step 2: Convert to fraction form
    324,593.60/486,501.60 = 166,740.80/x
  3. Step 3: Cross multiply
    324,593.60x = 486,501.60 × 166,740.80
  4. Step 4: Simplify right side
    324,593.60x = 81,119,665,985.28
  5. Step 5: Solve for x
    x = 81,119,665,985.28/324,593.60
  6. Step 6: Final answer
    x = 249,911.48

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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.