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Finding the Fourth Proportional to 483,476.43, 666,659.61 and 330,539.52

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Solution

The fourth proportional to 483,476.43, 666,659.61 and 330,539.52 is: 455,776.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,476.43 : 666,659.61 = 330,539.52 : x
  2. Step 2: Convert to fraction form
    483,476.43/666,659.61 = 330,539.52/x
  3. Step 3: Cross multiply
    483,476.43x = 666,659.61 × 330,539.52
  4. Step 4: Simplify right side
    483,476.43x = 220,357,347,492.79
  5. Step 5: Solve for x
    x = 220,357,347,492.79/483,476.43
  6. Step 6: Final answer
    x = 455,776.82

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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.