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Finding the Fourth Proportional to 434,736.60, 652,109.40 and 119,193.48

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Solution

The fourth proportional to 434,736.60, 652,109.40 and 119,193.48 is: 178,791.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,736.60 : 652,109.40 = 119,193.48 : x
  2. Step 2: Convert to fraction form
    434,736.60/652,109.40 = 119,193.48/x
  3. Step 3: Cross multiply
    434,736.60x = 652,109.40 × 119,193.48
  4. Step 4: Simplify right side
    434,736.60x = 77,727,188,726.71
  5. Step 5: Solve for x
    x = 77,727,188,726.71/434,736.60
  6. Step 6: Final answer
    x = 178,791.45

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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.