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Finding the Fourth Proportional to 384,119.52, 530,088.96 and 214,350

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Solution

The fourth proportional to 384,119.52, 530,088.96 and 214,350 is: 295,805.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,119.52 : 530,088.96 = 214,350 : x
  2. Step 2: Convert to fraction form
    384,119.52/530,088.96 = 214,350/x
  3. Step 3: Cross multiply
    384,119.52x = 530,088.96 × 214,350
  4. Step 4: Simplify right side
    384,119.52x = 113,624,568,576.00
  5. Step 5: Solve for x
    x = 113,624,568,576.00/384,119.52
  6. Step 6: Final answer
    x = 295,805.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.