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Finding the Fourth Proportional to 486,158.47, 670,818.46 and 271,298.03

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Solution

The fourth proportional to 486,158.47, 670,818.46 and 271,298.03 is: 374,346.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,158.47 : 670,818.46 = 271,298.03 : x
  2. Step 2: Convert to fraction form
    486,158.47/670,818.46 = 271,298.03/x
  3. Step 3: Cross multiply
    486,158.47x = 670,818.46 × 271,298.03
  4. Step 4: Simplify right side
    486,158.47x = 181,991,723,161.98
  5. Step 5: Solve for x
    x = 181,991,723,161.98/486,158.47
  6. Step 6: Final answer
    x = 374,346.50

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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.