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Finding the Fourth Proportional to 265,728, 366,719.22 and 152,558.04

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Solution

The fourth proportional to 265,728, 366,719.22 and 152,558.04 is: 210,538.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,728 : 366,719.22 = 152,558.04 : x
  2. Step 2: Convert to fraction form
    265,728/366,719.22 = 152,558.04/x
  3. Step 3: Cross multiply
    265,728x = 366,719.22 × 152,558.04
  4. Step 4: Simplify right side
    265,728x = 55,945,965,433.53
  5. Step 5: Solve for x
    x = 55,945,965,433.53/265,728
  6. Step 6: Final answer
    x = 210,538.47

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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.