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Finding the Fourth Proportional to 971,230.70, 1,456,846.05 and 965,009.90

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Solution

The fourth proportional to 971,230.70, 1,456,846.05 and 965,009.90 is: 1,447,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,230.70 : 1,456,846.05 = 965,009.90 : x
  2. Step 2: Convert to fraction form
    971,230.70/1,456,846.05 = 965,009.90/x
  3. Step 3: Cross multiply
    971,230.70x = 1,456,846.05 × 965,009.90
  4. Step 4: Simplify right side
    971,230.70x = 1,405,870,861,025.90
  5. Step 5: Solve for x
    x = 1,405,870,861,025.90/971,230.70
  6. Step 6: Final answer
    x = 1,447,514.85

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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.