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Finding the Fourth Proportional to 399,233.47, 595,794.81 and 356,635.16

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Solution

The fourth proportional to 399,233.47, 595,794.81 and 356,635.16 is: 532,223.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,233.47 : 595,794.81 = 356,635.16 : x
  2. Step 2: Convert to fraction form
    399,233.47/595,794.81 = 356,635.16/x
  3. Step 3: Cross multiply
    399,233.47x = 595,794.81 × 356,635.16
  4. Step 4: Simplify right side
    399,233.47x = 212,481,377,391.52
  5. Step 5: Solve for x
    x = 212,481,377,391.52/399,233.47
  6. Step 6: Final answer
    x = 532,223.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.