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Finding the Fourth Proportional to 481,960.64, 723,092.06 and 290,044.51

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Solution

The fourth proportional to 481,960.64, 723,092.06 and 290,044.51 is: 435,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,960.64 : 723,092.06 = 290,044.51 : x
  2. Step 2: Convert to fraction form
    481,960.64/723,092.06 = 290,044.51/x
  3. Step 3: Cross multiply
    481,960.64x = 723,092.06 × 290,044.51
  4. Step 4: Simplify right side
    481,960.64x = 209,728,882,227.59
  5. Step 5: Solve for x
    x = 209,728,882,227.59/481,960.64
  6. Step 6: Final answer
    x = 435,157.70

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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.