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Finding the Fourth Proportional to 334,076.80, 501,115.20 and 245,503.30

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Solution

The fourth proportional to 334,076.80, 501,115.20 and 245,503.30 is: 368,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,076.80 : 501,115.20 = 245,503.30 : x
  2. Step 2: Convert to fraction form
    334,076.80/501,115.20 = 245,503.30/x
  3. Step 3: Cross multiply
    334,076.80x = 501,115.20 × 245,503.30
  4. Step 4: Simplify right side
    334,076.80x = 123,025,435,280.16
  5. Step 5: Solve for x
    x = 123,025,435,280.16/334,076.80
  6. Step 6: Final answer
    x = 368,254.95

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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.