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Finding the Fourth Proportional to 432,936.40, 597,065.40 and 271,806.46

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Solution

The fourth proportional to 432,936.40, 597,065.40 and 271,806.46 is: 374,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,936.40 : 597,065.40 = 271,806.46 : x
  2. Step 2: Convert to fraction form
    432,936.40/597,065.40 = 271,806.46/x
  3. Step 3: Cross multiply
    432,936.40x = 597,065.40 × 271,806.46
  4. Step 4: Simplify right side
    432,936.40x = 162,286,232,762.48
  5. Step 5: Solve for x
    x = 162,286,232,762.48/432,936.40
  6. Step 6: Final answer
    x = 374,850.05

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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.