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Finding the Fourth Proportional to 434,735.60, 652,216.80 and 168,504.80

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Solution

The fourth proportional to 434,735.60, 652,216.80 and 168,504.80 is: 252,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,735.60 : 652,216.80 = 168,504.80 : x
  2. Step 2: Convert to fraction form
    434,735.60/652,216.80 = 168,504.80/x
  3. Step 3: Cross multiply
    434,735.60x = 652,216.80 × 168,504.80
  4. Step 4: Simplify right side
    434,735.60x = 109,901,661,440.64
  5. Step 5: Solve for x
    x = 109,901,661,440.64/434,735.60
  6. Step 6: Final answer
    x = 252,801.15

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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.