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Finding the Fourth Proportional to 985,281, 1,478,474.82 and 536,033.22

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Solution

The fourth proportional to 985,281, 1,478,474.82 and 536,033.22 is: 804,350.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,281 : 1,478,474.82 = 536,033.22 : x
  2. Step 2: Convert to fraction form
    985,281/1,478,474.82 = 536,033.22/x
  3. Step 3: Cross multiply
    985,281x = 1,478,474.82 × 536,033.22
  4. Step 4: Simplify right side
    985,281x = 792,511,618,453.52
  5. Step 5: Solve for x
    x = 792,511,618,453.52/985,281
  6. Step 6: Final answer
    x = 804,350.86

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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.