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Finding the Fourth Proportional to 534,372, 801,611.12 and 197,500.96

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Solution

The fourth proportional to 534,372, 801,611.12 and 197,500.96 is: 296,271.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,372 : 801,611.12 = 197,500.96 : x
  2. Step 2: Convert to fraction form
    534,372/801,611.12 = 197,500.96/x
  3. Step 3: Cross multiply
    534,372x = 801,611.12 × 197,500.96
  4. Step 4: Simplify right side
    534,372x = 158,318,965,746.68
  5. Step 5: Solve for x
    x = 158,318,965,746.68/534,372
  6. Step 6: Final answer
    x = 296,271.07

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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.