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Finding the Fourth Proportional to 262,672.64, 393,377.64 and 150,011.68

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Solution

The fourth proportional to 262,672.64, 393,377.64 and 150,011.68 is: 224,656.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,672.64 : 393,377.64 = 150,011.68 : x
  2. Step 2: Convert to fraction form
    262,672.64/393,377.64 = 150,011.68/x
  3. Step 3: Cross multiply
    262,672.64x = 393,377.64 × 150,011.68
  4. Step 4: Simplify right side
    262,672.64x = 59,011,240,650.84
  5. Step 5: Solve for x
    x = 59,011,240,650.84/262,672.64
  6. Step 6: Final answer
    x = 224,656.97

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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.