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Finding the Fourth Proportional to 384,906.96, 573,301.71 and 367,636.95

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Solution

The fourth proportional to 384,906.96, 573,301.71 and 367,636.95 is: 547,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,906.96 : 573,301.71 = 367,636.95 : x
  2. Step 2: Convert to fraction form
    384,906.96/573,301.71 = 367,636.95/x
  3. Step 3: Cross multiply
    384,906.96x = 573,301.71 × 367,636.95
  4. Step 4: Simplify right side
    384,906.96x = 210,766,892,094.18
  5. Step 5: Solve for x
    x = 210,766,892,094.18/384,906.96
  6. Step 6: Final answer
    x = 547,578.80

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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.