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Finding the Fourth Proportional to 951,900.30, 1,427,850.45 and 909,909.90

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Solution

The fourth proportional to 951,900.30, 1,427,850.45 and 909,909.90 is: 1,364,864.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,900.30 : 1,427,850.45 = 909,909.90 : x
  2. Step 2: Convert to fraction form
    951,900.30/1,427,850.45 = 909,909.90/x
  3. Step 3: Cross multiply
    951,900.30x = 1,427,850.45 × 909,909.90
  4. Step 4: Simplify right side
    951,900.30x = 1,299,215,260,174.46
  5. Step 5: Solve for x
    x = 1,299,215,260,174.46/951,900.30
  6. Step 6: Final answer
    x = 1,364,864.85

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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.