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Finding the Fourth Proportional to 330,866.48, 496,315.56 and 94,225.52

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Solution

The fourth proportional to 330,866.48, 496,315.56 and 94,225.52 is: 141,342.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,866.48 : 496,315.56 = 94,225.52 : x
  2. Step 2: Convert to fraction form
    330,866.48/496,315.56 = 94,225.52/x
  3. Step 3: Cross multiply
    330,866.48x = 496,315.56 × 94,225.52
  4. Step 4: Simplify right side
    330,866.48x = 46,765,591,725.09
  5. Step 5: Solve for x
    x = 46,765,591,725.09/330,866.48
  6. Step 6: Final answer
    x = 141,342.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.