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Finding the Fourth Proportional to 384,092.97, 530,260.59 and 231,168.70

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Solution

The fourth proportional to 384,092.97, 530,260.59 and 231,168.70 is: 319,140.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,092.97 : 530,260.59 = 231,168.70 : x
  2. Step 2: Convert to fraction form
    384,092.97/530,260.59 = 231,168.70/x
  3. Step 3: Cross multiply
    384,092.97x = 530,260.59 × 231,168.70
  4. Step 4: Simplify right side
    384,092.97x = 122,579,652,781.24
  5. Step 5: Solve for x
    x = 122,579,652,781.24/384,092.97
  6. Step 6: Final answer
    x = 319,140.58

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1.5x scale

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.