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Finding the Fourth Proportional to 548,877.60, 823,291.68 and 228,897.72

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Solution

The fourth proportional to 548,877.60, 823,291.68 and 228,897.72 is: 343,336.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,877.60 : 823,291.68 = 228,897.72 : x
  2. Step 2: Convert to fraction form
    548,877.60/823,291.68 = 228,897.72/x
  3. Step 3: Cross multiply
    548,877.60x = 823,291.68 × 228,897.72
  4. Step 4: Simplify right side
    548,877.60x = 188,449,588,446.97
  5. Step 5: Solve for x
    x = 188,449,588,446.97/548,877.60
  6. Step 6: Final answer
    x = 343,336.27

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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.