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Finding the Fourth Proportional to 368,536.80, 552,805.20 and 250,438.80

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Solution

The fourth proportional to 368,536.80, 552,805.20 and 250,438.80 is: 375,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,536.80 : 552,805.20 = 250,438.80 : x
  2. Step 2: Convert to fraction form
    368,536.80/552,805.20 = 250,438.80/x
  3. Step 3: Cross multiply
    368,536.80x = 552,805.20 × 250,438.80
  4. Step 4: Simplify right side
    368,536.80x = 138,443,870,921.76
  5. Step 5: Solve for x
    x = 138,443,870,921.76/368,536.80
  6. Step 6: Final answer
    x = 375,658.20

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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.