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Finding the Fourth Proportional to 298,964.40, 448,223.40 and 180,610.80

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Solution

The fourth proportional to 298,964.40, 448,223.40 and 180,610.80 is: 270,781.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,964.40 : 448,223.40 = 180,610.80 : x
  2. Step 2: Convert to fraction form
    298,964.40/448,223.40 = 180,610.80/x
  3. Step 3: Cross multiply
    298,964.40x = 448,223.40 × 180,610.80
  4. Step 4: Simplify right side
    298,964.40x = 80,953,986,852.72
  5. Step 5: Solve for x
    x = 80,953,986,852.72/298,964.40
  6. Step 6: Final answer
    x = 270,781.36

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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.