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Finding the Fourth Proportional to 536,166.20, 804,702.90 and 220,849.40

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Solution

The fourth proportional to 536,166.20, 804,702.90 and 220,849.40 is: 331,460.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,166.20 : 804,702.90 = 220,849.40 : x
  2. Step 2: Convert to fraction form
    536,166.20/804,702.90 = 220,849.40/x
  3. Step 3: Cross multiply
    536,166.20x = 804,702.90 × 220,849.40
  4. Step 4: Simplify right side
    536,166.20x = 177,718,152,643.26
  5. Step 5: Solve for x
    x = 177,718,152,643.26/536,166.20
  6. Step 6: Final answer
    x = 331,460.94

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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.