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Finding the Fourth Proportional to 324,801.60, 486,813.60 and 166,948.80

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Solution

The fourth proportional to 324,801.60, 486,813.60 and 166,948.80 is: 250,223.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,801.60 : 486,813.60 = 166,948.80 : x
  2. Step 2: Convert to fraction form
    324,801.60/486,813.60 = 166,948.80/x
  3. Step 3: Cross multiply
    324,801.60x = 486,813.60 × 166,948.80
  4. Step 4: Simplify right side
    324,801.60x = 81,272,946,343.68
  5. Step 5: Solve for x
    x = 81,272,946,343.68/324,801.60
  6. Step 6: Final answer
    x = 250,223.36

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1.5x scale

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.