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Finding the Fourth Proportional to 257,696.37, 386,544.51 and 151,242.30

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Solution

The fourth proportional to 257,696.37, 386,544.51 and 151,242.30 is: 226,863.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,696.37 : 386,544.51 = 151,242.30 : x
  2. Step 2: Convert to fraction form
    257,696.37/386,544.51 = 151,242.30/x
  3. Step 3: Cross multiply
    257,696.37x = 386,544.51 × 151,242.30
  4. Step 4: Simplify right side
    257,696.37x = 58,461,880,744.77
  5. Step 5: Solve for x
    x = 58,461,880,744.77/257,696.37
  6. Step 6: Final answer
    x = 226,863.42

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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.