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Finding the Fourth Proportional to 533,785.02, 736,550.64 and 318,879.44

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Solution

The fourth proportional to 533,785.02, 736,550.64 and 318,879.44 is: 440,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,785.02 : 736,550.64 = 318,879.44 : x
  2. Step 2: Convert to fraction form
    533,785.02/736,550.64 = 318,879.44/x
  3. Step 3: Cross multiply
    533,785.02x = 736,550.64 × 318,879.44
  4. Step 4: Simplify right side
    533,785.02x = 234,870,855,614.84
  5. Step 5: Solve for x
    x = 234,870,855,614.84/533,785.02
  6. Step 6: Final answer
    x = 440,010.20

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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.