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Finding the Fourth Proportional to 888,232, 1,332,359.34 and 257,146.42

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Solution

The fourth proportional to 888,232, 1,332,359.34 and 257,146.42 is: 385,722.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,232 : 1,332,359.34 = 257,146.42 : x
  2. Step 2: Convert to fraction form
    888,232/1,332,359.34 = 257,146.42/x
  3. Step 3: Cross multiply
    888,232x = 1,332,359.34 × 257,146.42
  4. Step 4: Simplify right side
    888,232x = 342,611,434,434.56
  5. Step 5: Solve for x
    x = 342,611,434,434.56/888,232
  6. Step 6: Final answer
    x = 385,722.91

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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.