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Finding the Fourth Proportional to 536,810.65, 804,524.77 and 411,530.65

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Solution

The fourth proportional to 536,810.65, 804,524.77 and 411,530.65 is: 616,766.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,810.65 : 804,524.77 = 411,530.65 : x
  2. Step 2: Convert to fraction form
    536,810.65/804,524.77 = 411,530.65/x
  3. Step 3: Cross multiply
    536,810.65x = 804,524.77 × 411,530.65
  4. Step 4: Simplify right side
    536,810.65x = 331,086,601,539.20
  5. Step 5: Solve for x
    x = 331,086,601,539.20/536,810.65
  6. Step 6: Final answer
    x = 616,766.08

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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.