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Finding the Fourth Proportional to 351,707.94, 527,008.62 and 271,940.76

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Solution

The fourth proportional to 351,707.94, 527,008.62 and 271,940.76 is: 407,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,707.94 : 527,008.62 = 271,940.76 : x
  2. Step 2: Convert to fraction form
    351,707.94/527,008.62 = 271,940.76/x
  3. Step 3: Cross multiply
    351,707.94x = 527,008.62 × 271,940.76
  4. Step 4: Simplify right side
    351,707.94x = 143,315,124,649.35
  5. Step 5: Solve for x
    x = 143,315,124,649.35/351,707.94
  6. Step 6: Final answer
    x = 407,483.34

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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.