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Finding the Fourth Proportional to 496,743.60, 744,605.10 and 243,634.80

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Solution

The fourth proportional to 496,743.60, 744,605.10 and 243,634.80 is: 365,201.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,743.60 : 744,605.10 = 243,634.80 : x
  2. Step 2: Convert to fraction form
    496,743.60/744,605.10 = 243,634.80/x
  3. Step 3: Cross multiply
    496,743.60x = 744,605.10 × 243,634.80
  4. Step 4: Simplify right side
    496,743.60x = 181,411,714,617.48
  5. Step 5: Solve for x
    x = 181,411,714,617.48/496,743.60
  6. Step 6: Final answer
    x = 365,201.92

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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.