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Finding the Fourth Proportional to 434,685.92, 651,958.94 and 119,069.04

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Solution

The fourth proportional to 434,685.92, 651,958.94 and 119,069.04 is: 178,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,685.92 : 651,958.94 = 119,069.04 : x
  2. Step 2: Convert to fraction form
    434,685.92/651,958.94 = 119,069.04/x
  3. Step 3: Cross multiply
    434,685.92x = 651,958.94 × 119,069.04
  4. Step 4: Simplify right side
    434,685.92x = 77,628,125,105.22
  5. Step 5: Solve for x
    x = 77,628,125,105.22/434,685.92
  6. Step 6: Final answer
    x = 178,584.40

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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.