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Finding the Fourth Proportional to 479,600.73, 719,384.63 and 124,617.83

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Solution

The fourth proportional to 479,600.73, 719,384.63 and 124,617.83 is: 186,922.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,600.73 : 719,384.63 = 124,617.83 : x
  2. Step 2: Convert to fraction form
    479,600.73/719,384.63 = 124,617.83/x
  3. Step 3: Cross multiply
    479,600.73x = 719,384.63 × 124,617.83
  4. Step 4: Simplify right side
    479,600.73x = 89,648,147,305.94
  5. Step 5: Solve for x
    x = 89,648,147,305.94/479,600.73
  6. Step 6: Final answer
    x = 186,922.46

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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.