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Finding the Fourth Proportional to 536,199.80, 804,591.30 and 220,688.60

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Solution

The fourth proportional to 536,199.80, 804,591.30 and 220,688.60 is: 331,152.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,199.80 : 804,591.30 = 220,688.60 : x
  2. Step 2: Convert to fraction form
    536,199.80/804,591.30 = 220,688.60/x
  3. Step 3: Cross multiply
    536,199.80x = 804,591.30 × 220,688.60
  4. Step 4: Simplify right side
    536,199.80x = 177,564,127,569.18
  5. Step 5: Solve for x
    x = 177,564,127,569.18/536,199.80
  6. Step 6: Final answer
    x = 331,152.92

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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.