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Finding the Fourth Proportional to 400,015.70, 600,024.14 and 163,358.39

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Solution

The fourth proportional to 400,015.70, 600,024.14 and 163,358.39 is: 245,037.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,015.70 : 600,024.14 = 163,358.39 : x
  2. Step 2: Convert to fraction form
    400,015.70/600,024.14 = 163,358.39/x
  3. Step 3: Cross multiply
    400,015.70x = 600,024.14 × 163,358.39
  4. Step 4: Simplify right side
    400,015.70x = 98,018,978,767.40
  5. Step 5: Solve for x
    x = 98,018,978,767.40/400,015.70
  6. Step 6: Final answer
    x = 245,037.83

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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.