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Finding the Fourth Proportional to 350,339.40, 483,468.36 and 189,194.45

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Solution

The fourth proportional to 350,339.40, 483,468.36 and 189,194.45 is: 261,088.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,339.40 : 483,468.36 = 189,194.45 : x
  2. Step 2: Convert to fraction form
    350,339.40/483,468.36 = 189,194.45/x
  3. Step 3: Cross multiply
    350,339.40x = 483,468.36 × 189,194.45
  4. Step 4: Simplify right side
    350,339.40x = 91,469,528,281.71
  5. Step 5: Solve for x
    x = 91,469,528,281.71/350,339.40
  6. Step 6: Final answer
    x = 261,088.33

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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.