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Finding the Fourth Proportional to 998,535.40, 1,497,803.10 and 951,879.40

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Solution

The fourth proportional to 998,535.40, 1,497,803.10 and 951,879.40 is: 1,427,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,535.40 : 1,497,803.10 = 951,879.40 : x
  2. Step 2: Convert to fraction form
    998,535.40/1,497,803.10 = 951,879.40/x
  3. Step 3: Cross multiply
    998,535.40x = 1,497,803.10 × 951,879.40
  4. Step 4: Simplify right side
    998,535.40x = 1,425,727,916,146.14
  5. Step 5: Solve for x
    x = 1,425,727,916,146.14/998,535.40
  6. Step 6: Final answer
    x = 1,427,819.10

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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.