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Finding the Fourth Proportional to 479,432.91, 719,150.73 and 124,450.01

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Solution

The fourth proportional to 479,432.91, 719,150.73 and 124,450.01 is: 186,675.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,432.91 : 719,150.73 = 124,450.01 : x
  2. Step 2: Convert to fraction form
    479,432.91/719,150.73 = 124,450.01/x
  3. Step 3: Cross multiply
    479,432.91x = 719,150.73 × 124,450.01
  4. Step 4: Simplify right side
    479,432.91x = 89,498,311,944.25
  5. Step 5: Solve for x
    x = 89,498,311,944.25/479,432.91
  6. Step 6: Final answer
    x = 186,675.36

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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.