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Finding the Fourth Proportional to 575,754.33, 794,129.58 and 499,136.43

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Solution

The fourth proportional to 575,754.33, 794,129.58 and 499,136.43 is: 688,451.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,754.33 : 794,129.58 = 499,136.43 : x
  2. Step 2: Convert to fraction form
    575,754.33/794,129.58 = 499,136.43/x
  3. Step 3: Cross multiply
    575,754.33x = 794,129.58 × 499,136.43
  4. Step 4: Simplify right side
    575,754.33x = 396,379,003,518.60
  5. Step 5: Solve for x
    x = 396,379,003,518.60/575,754.33
  6. Step 6: Final answer
    x = 688,451.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.