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Finding the Fourth Proportional to 547,273.30, 819,527.55 and 359,266.90

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Solution

The fourth proportional to 547,273.30, 819,527.55 and 359,266.90 is: 537,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,273.30 : 819,527.55 = 359,266.90 : x
  2. Step 2: Convert to fraction form
    547,273.30/819,527.55 = 359,266.90/x
  3. Step 3: Cross multiply
    547,273.30x = 819,527.55 × 359,266.90
  4. Step 4: Simplify right side
    547,273.30x = 294,429,122,353.10
  5. Step 5: Solve for x
    x = 294,429,122,353.10/547,273.30
  6. Step 6: Final answer
    x = 537,992.85

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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.