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Finding the Fourth Proportional to 1,795,766.20, 2,693,951.70 and 533,721.40

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Solution

The fourth proportional to 1,795,766.20, 2,693,951.70 and 533,721.40 is: 800,671.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795,766.20 : 2,693,951.70 = 533,721.40 : x
  2. Step 2: Convert to fraction form
    1,795,766.20/2,693,951.70 = 533,721.40/x
  3. Step 3: Cross multiply
    1,795,766.20x = 2,693,951.70 × 533,721.40
  4. Step 4: Simplify right side
    1,795,766.20x = 1,437,819,672,856.38
  5. Step 5: Solve for x
    x = 1,437,819,672,856.38/1,795,766.20
  6. Step 6: Final answer
    x = 800,671.98

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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.