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Finding the Fourth Proportional to 479,635.62, 719,284.55 and 159,700.61

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Solution

The fourth proportional to 479,635.62, 719,284.55 and 159,700.61 is: 239,494.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,635.62 : 719,284.55 = 159,700.61 : x
  2. Step 2: Convert to fraction form
    479,635.62/719,284.55 = 159,700.61/x
  3. Step 3: Cross multiply
    479,635.62x = 719,284.55 × 159,700.61
  4. Step 4: Simplify right side
    479,635.62x = 114,870,178,801.86
  5. Step 5: Solve for x
    x = 114,870,178,801.86/479,635.62
  6. Step 6: Final answer
    x = 239,494.68

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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.