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Finding the Fourth Proportional to 265,953.66, 366,906.15 and 185,428.86

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Solution

The fourth proportional to 265,953.66, 366,906.15 and 185,428.86 is: 255,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,953.66 : 366,906.15 = 185,428.86 : x
  2. Step 2: Convert to fraction form
    265,953.66/366,906.15 = 185,428.86/x
  3. Step 3: Cross multiply
    265,953.66x = 366,906.15 × 185,428.86
  4. Step 4: Simplify right side
    265,953.66x = 68,034,989,121.49
  5. Step 5: Solve for x
    x = 68,034,989,121.49/265,953.66
  6. Step 6: Final answer
    x = 255,815.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.