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Finding the Fourth Proportional to 265,479.43, 366,361.46 and 146,247.43

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Solution

The fourth proportional to 265,479.43, 366,361.46 and 146,247.43 is: 201,821.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,479.43 : 366,361.46 = 146,247.43 : x
  2. Step 2: Convert to fraction form
    265,479.43/366,361.46 = 146,247.43/x
  3. Step 3: Cross multiply
    265,479.43x = 366,361.46 × 146,247.43
  4. Step 4: Simplify right side
    265,479.43x = 53,579,421,244.81
  5. Step 5: Solve for x
    x = 53,579,421,244.81/265,479.43
  6. Step 6: Final answer
    x = 201,821.37

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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.