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Finding the Fourth Proportional to 964,315.86, 1,330,753.68 and 550,843.70

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Solution

The fourth proportional to 964,315.86, 1,330,753.68 and 550,843.70 is: 760,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,315.86 : 1,330,753.68 = 550,843.70 : x
  2. Step 2: Convert to fraction form
    964,315.86/1,330,753.68 = 550,843.70/x
  3. Step 3: Cross multiply
    964,315.86x = 1,330,753.68 × 550,843.70
  4. Step 4: Simplify right side
    964,315.86x = 733,037,280,879.82
  5. Step 5: Solve for x
    x = 733,037,280,879.82/964,315.86
  6. Step 6: Final answer
    x = 760,163.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.