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Finding the Fourth Proportional to 819,183, 1,228,981.92 and 228,207

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Solution

The fourth proportional to 819,183, 1,228,981.92 and 228,207 is: 342,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,183 : 1,228,981.92 = 228,207 : x
  2. Step 2: Convert to fraction form
    819,183/1,228,981.92 = 228,207/x
  3. Step 3: Cross multiply
    819,183x = 1,228,981.92 × 228,207
  4. Step 4: Simplify right side
    819,183x = 280,462,277,017.44
  5. Step 5: Solve for x
    x = 280,462,277,017.44/819,183
  6. Step 6: Final answer
    x = 342,368.28

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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.