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Finding the Fourth Proportional to 324,069.40, 486,104.10 and 181,768.60

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Solution

The fourth proportional to 324,069.40, 486,104.10 and 181,768.60 is: 272,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,069.40 : 486,104.10 = 181,768.60 : x
  2. Step 2: Convert to fraction form
    324,069.40/486,104.10 = 181,768.60/x
  3. Step 3: Cross multiply
    324,069.40x = 486,104.10 × 181,768.60
  4. Step 4: Simplify right side
    324,069.40x = 88,358,461,711.26
  5. Step 5: Solve for x
    x = 88,358,461,711.26/324,069.40
  6. Step 6: Final answer
    x = 272,652.90

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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.