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Finding the Fourth Proportional to 479,639.98, 719,291.06 and 159,704.96

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Solution

The fourth proportional to 479,639.98, 719,291.06 and 159,704.96 is: 239,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,639.98 : 719,291.06 = 159,704.96 : x
  2. Step 2: Convert to fraction form
    479,639.98/719,291.06 = 159,704.96/x
  3. Step 3: Cross multiply
    479,639.98x = 719,291.06 × 159,704.96
  4. Step 4: Simplify right side
    479,639.98x = 114,874,349,965.66
  5. Step 5: Solve for x
    x = 114,874,349,965.66/479,639.98
  6. Step 6: Final answer
    x = 239,501.20

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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.