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Finding the Fourth Proportional to 996,854.70, 1,493,500.05 and 606,650.70

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Solution

The fourth proportional to 996,854.70, 1,493,500.05 and 606,650.70 is: 908,891.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,854.70 : 1,493,500.05 = 606,650.70 : x
  2. Step 2: Convert to fraction form
    996,854.70/1,493,500.05 = 606,650.70/x
  3. Step 3: Cross multiply
    996,854.70x = 1,493,500.05 × 606,650.70
  4. Step 4: Simplify right side
    996,854.70x = 906,032,850,782.54
  5. Step 5: Solve for x
    x = 906,032,850,782.54/996,854.70
  6. Step 6: Final answer
    x = 908,891.59

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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.