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Finding the Fourth Proportional to 479,321.02, 716,173.73 and 462,558.16

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Solution

The fourth proportional to 479,321.02, 716,173.73 and 462,558.16 is: 691,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,321.02 : 716,173.73 = 462,558.16 : x
  2. Step 2: Convert to fraction form
    479,321.02/716,173.73 = 462,558.16/x
  3. Step 3: Cross multiply
    479,321.02x = 716,173.73 × 462,558.16
  4. Step 4: Simplify right side
    479,321.02x = 331,272,002,789.14
  5. Step 5: Solve for x
    x = 331,272,002,789.14/479,321.02
  6. Step 6: Final answer
    x = 691,127.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.