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Finding the Fourth Proportional to 334,072.80, 501,109.20 and 245,499.30

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Solution

The fourth proportional to 334,072.80, 501,109.20 and 245,499.30 is: 368,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,072.80 : 501,109.20 = 245,499.30 : x
  2. Step 2: Convert to fraction form
    334,072.80/501,109.20 = 245,499.30/x
  3. Step 3: Cross multiply
    334,072.80x = 501,109.20 × 245,499.30
  4. Step 4: Simplify right side
    334,072.80x = 123,021,957,823.56
  5. Step 5: Solve for x
    x = 123,021,957,823.56/334,072.80
  6. Step 6: Final answer
    x = 368,248.95

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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.