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Finding the Fourth Proportional to 536,166.70, 804,703.65 and 220,849.90

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Solution

The fourth proportional to 536,166.70, 804,703.65 and 220,849.90 is: 331,461.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,166.70 : 804,703.65 = 220,849.90 : x
  2. Step 2: Convert to fraction form
    536,166.70/804,703.65 = 220,849.90/x
  3. Step 3: Cross multiply
    536,166.70x = 804,703.65 × 220,849.90
  4. Step 4: Simplify right side
    536,166.70x = 177,718,720,632.14
  5. Step 5: Solve for x
    x = 177,718,720,632.14/536,166.70
  6. Step 6: Final answer
    x = 331,461.69

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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.