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Finding the Fourth Proportional to 482,375.14, 723,671.87 and 162,518.31

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Solution

The fourth proportional to 482,375.14, 723,671.87 and 162,518.31 is: 243,814.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,375.14 : 723,671.87 = 162,518.31 : x
  2. Step 2: Convert to fraction form
    482,375.14/723,671.87 = 162,518.31/x
  3. Step 3: Cross multiply
    482,375.14x = 723,671.87 × 162,518.31
  4. Step 4: Simplify right side
    482,375.14x = 117,609,928,494.35
  5. Step 5: Solve for x
    x = 117,609,928,494.35/482,375.14
  6. Step 6: Final answer
    x = 243,814.24

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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.