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Finding the Fourth Proportional to 483,468.93, 666,649.29 and 330,532.02

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Solution

The fourth proportional to 483,468.93, 666,649.29 and 330,532.02 is: 455,766.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,468.93 : 666,649.29 = 330,532.02 : x
  2. Step 2: Convert to fraction form
    483,468.93/666,649.29 = 330,532.02/x
  3. Step 3: Cross multiply
    483,468.93x = 666,649.29 × 330,532.02
  4. Step 4: Simplify right side
    483,468.93x = 220,348,936,455.27
  5. Step 5: Solve for x
    x = 220,348,936,455.27/483,468.93
  6. Step 6: Final answer
    x = 455,766.49

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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.