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Finding the Fourth Proportional to 434,898.20, 652,317.96 and 119,328.68

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Solution

The fourth proportional to 434,898.20, 652,317.96 and 119,328.68 is: 178,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,898.20 : 652,317.96 = 119,328.68 : x
  2. Step 2: Convert to fraction form
    434,898.20/652,317.96 = 119,328.68/x
  3. Step 3: Cross multiply
    434,898.20x = 652,317.96 × 119,328.68
  4. Step 4: Simplify right side
    434,898.20x = 77,840,241,107.09
  5. Step 5: Solve for x
    x = 77,840,241,107.09/434,898.20
  6. Step 6: Final answer
    x = 178,984.97

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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.