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Finding the Fourth Proportional to 316,283.94, 436,467.96 and 173,041.92

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Solution

The fourth proportional to 316,283.94, 436,467.96 and 173,041.92 is: 238,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,283.94 : 436,467.96 = 173,041.92 : x
  2. Step 2: Convert to fraction form
    316,283.94/436,467.96 = 173,041.92/x
  3. Step 3: Cross multiply
    316,283.94x = 436,467.96 × 173,041.92
  4. Step 4: Simplify right side
    316,283.94x = 75,527,253,816.88
  5. Step 5: Solve for x
    x = 75,527,253,816.88/316,283.94
  6. Step 6: Final answer
    x = 238,795.73

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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.