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Finding the Fourth Proportional to 479,463.98, 719,008.86 and 179,781.08

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Solution

The fourth proportional to 479,463.98, 719,008.86 and 179,781.08 is: 269,601.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,463.98 : 719,008.86 = 179,781.08 : x
  2. Step 2: Convert to fraction form
    479,463.98/719,008.86 = 179,781.08/x
  3. Step 3: Cross multiply
    479,463.98x = 719,008.86 × 179,781.08
  4. Step 4: Simplify right side
    479,463.98x = 129,264,189,380.37
  5. Step 5: Solve for x
    x = 129,264,189,380.37/479,463.98
  6. Step 6: Final answer
    x = 269,601.46

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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.