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Finding the Fourth Proportional to 364,517.80, 547,359.90 and 275,871.40

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Solution

The fourth proportional to 364,517.80, 547,359.90 and 275,871.40 is: 414,248.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,517.80 : 547,359.90 = 275,871.40 : x
  2. Step 2: Convert to fraction form
    364,517.80/547,359.90 = 275,871.40/x
  3. Step 3: Cross multiply
    364,517.80x = 547,359.90 × 275,871.40
  4. Step 4: Simplify right side
    364,517.80x = 151,000,941,916.86
  5. Step 5: Solve for x
    x = 151,000,941,916.86/364,517.80
  6. Step 6: Final answer
    x = 414,248.47

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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.